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1919.cn

1919.cn is SSL secured

Free website and domain report on 1919.cn

Last Updated: 11th May, 2020 Update Now
Overview

Snoop Summary for 1919.cn

This is a free and comprehensive report about 1919.cn. 1919.cn is hosted in China on a server with an IP address of 203.107.42.43, where CNY is the local currency and the local language is Mandarin. 1919.cn has the potential to be earning an estimated $5 USD per day from advertising revenue. If 1919.cn was to be sold it would possibly be worth $3,956 USD (based on the daily revenue potential of the website over a 24 month period). 1919.cn receives an estimated 1,897 unique visitors every day - a large amount of traffic! This report was last updated 11th May, 2020.

About 1919.cn

Site Preview: 1919.cn 1919.cn
Title: 1919酒类直供-全球美酒直供，19分钟极速达
Description: 【1919】1499飞天茅台限量抢购！品牌特卖,全场低至19.9元！全国1900家门店，19分钟极速送达，各类酒水团购、秒杀、满赠、优惠券等豪礼不断！
Keywords and Tags: 1919 cn, 1919官方旗舰店, 1919招商加盟, 1919酒类商城, 1919酒类网上商城, 1919酒类连锁, alcohol, 中 酒 网, 古越 龍山 5 年, 壹玖壹玖, 威士忌 40 度, 拉 菲 葡萄酒, 新余 市 威士忌, 玖 壹 壹 的 歌, 直, 红 葡萄酒 和 白 葡萄酒 的 区别, 野 格 酒 價格
Related Terms: 03 3929 1919
Fav Icon:
Age:
Domain Created:
Domain Updated:
Domain Expires:
Review

Snoop Score

2/5

Valuation

$3,956 USD
Note: All valuation figures are estimates.

Popularity

Modest
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 367,579
Alexa Reach: 0.0001%
SEMrush Rank (US): 6,546,395
SEMrush Authority Score: 35
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Organic Paid
Keywords: 23 0
Traffic: 32 0
Cost: $0 USD $0 USD
Traffic

Visitors

Daily Visitors: 1,897
Monthly Visitors: 57,729
Yearly Visitors: 692,286
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $5 USD
Monthly Revenue: $165 USD
Yearly Revenue: $1,973 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Backlinks: 11,702
Referring Domains: 694
Referring IPs: 941
1919.cn has 11,702 backlinks according to SEMrush. 89% of these backlinks are "dofollow" (follow) links which allow the flow of link equity to pass through, which may improve 1919.cn's search engine rankings. Other links are treated as 'hints' by search engines and may also pass link equity, depending on what search engines decide in each case.
100% of 1919.cn's backlinks are text and image links, which are ideal for SEO. Other backlink types may be unrecognized or ignored by search engines.

Top New Follow Links

1
Source: http://iaiciw.me/
Target: https://1919-new-bbc-pro-oss.1919.cn/0d185c63-181e-4757-bc5d-3e046c182fd5.jpg
2
Source: http://iaiciw.me/
Target: https://1919-new-bbc-pro-oss.1919.cn/b1e89b97-e2cd-469d-bcab-4e840fe0047f
3
Source: http://iaiciw.me/
Target: https://1919-new-bbc-pro-oss.1919.cn/3aafcac9-9578-43a1-81be-a8f4deb4cc7a
4
Source: http://iaiciw.me/
Target: https://1919-new-bbc-pro-oss.1919.cn/3f085c45-53e5-4d47-b68c-c199fade6f15
5
Source: http://iaiciw.me/
Target: https://1919-new-bbc-pro-oss.1919.cn/2b0b748d-1614-4758-a91c-f46d86923b99

Top Ranking Keywords (US)

1
Keyword: 1919 cn
Ranked Page: https://www.1919.cn/
2
Keyword: 古越 龍山 5 年
Ranked Page: https://www.1919.cn/
3
Keyword: 直
Ranked Page: https://www.1919.cn/
4
Keyword: 中 酒 网
Ranked Page: https://www.1919.cn/
5
Keyword: 红 葡萄酒 和 白 葡萄酒 的 区别
Ranked Page: https://www.1919.cn/

Domain Analysis

Value Length
Domain: 1919.cn 7
Domain Name: 1919 4
Extension (TLD): cn 2

Page Speed Analysis

Average Load Time: 1.14 seconds
Load Time Comparison: Faster than 72% of sites

PageSpeed Insights

Avg. (All Categories) 46
Performance 47
Accessibility 48
Best Practices 46
SEO 78
Progressive Web App 12
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://www.1919.cn
Updated: 11th May, 2020

2.82 seconds
First Contentful Paint (FCP)
27%
49%
24%

0.27 seconds
First Input Delay (FID)
93%
2%
5%

Simulate loading on desktop
47

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for 1919.cn. This includes details about optimizing page load times which can result in a better user experience.

Metrics

First Contentful Paint — 0.8 s
The time taken for the first image or text on the page to be rendered.

Opportunities

Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. 1919.cn should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. 1919.cn should consider minifying JS files.
Remove unused CSS
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. 1919.cn should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 4,200 ms
Redirects can cause additional delays before the page can begin loading. 1919.cn should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
(Start) http://1919.cn/
0
https://www.1919.cn/
4200
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. 1919.cn should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.

Diagnostics

Avoid chaining critical requests — 13 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. 1919.cn should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Keep request counts low and transfer sizes small — 163 requests • 3,959 KB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
163
4053685
Image
102
3317333
Script
28
517450
Other
26
123654
Font
1
43314
Document
1
26417
Stylesheet
5
25517
Media
0
0
Third-party
87
1500533
Minimize third-party usage — Third-party code blocked the main thread for 10 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
189577
12.375

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://1919.cn/
0
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293
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https://www.1919.cn/
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Document
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Stylesheet
https://www.1919.cn/css/style.css?ts=20200409
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Stylesheet
https://www.1919.cn/css/homewine.css?ts=20200409
3474.8149998486
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text/css
Stylesheet
https://www.1919.cn/js/jquery/jquery.min.js
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Script
https://www.1919.cn/js/lazyload/echo.js
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https://www.1919.cn/images/img_qrcode.png
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https://www.1919.cn/js/jquery/jquery-ui.js
3480.235000141
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3480.3269999102
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Script
https://1919-new-bbc-pro-oss.1919.cn/js/public.js
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https://g.alicdn.com/AWSC/AWSC/awsc.js
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Script
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Stylesheet
https://c.cnzz.com/core.php?web_id=1262155146&t=z
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Script
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Font
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XHR
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XHR
https://www.1919.cn/geo/deliveryCity.do
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XHR
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Script
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Image
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XHR
https://www.1919.cn/my/addressList.do
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XHR
https://www.1919.cn/geo/listLetterCitys.do
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XHR
https://www.1919.cn/covers/fragment/secKill.do?_=1589198589424
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XHR
https://www.1919.cn/coupon/homeChosenCoupons.do
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XHR
https://www.1919.cn/product/likeRecommend.do
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XHR
https://www.1919.cn//my/shopCartNum.do
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XHR
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XHR
https://www.1919.cn//defaultKeyword.do
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XHR
https://www.1919.cn/my/cart/panel.do
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application/json
XHR
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XHR
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XHR
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XHR
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XHR
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XHR
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Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
3489.002
10.452
3509.086
10.026
3522.061
5.798
6029.664
53.612
6710.351
37.277
6747.705
1264.067
8011.877
11.393
8029.372
5.691
8035.095
153.79
8191.451
11.95
8441.676
18.828
10136.504
29.048
10165.678
17.834
10183.928
18.865
10205.555
179.068
10385.866
210.017
10599.191
16.616
10639.853
410.054
11055.849
22.939
11078.823
11.07
11092.638
8.698
11105.653
68.537
11175.904
191.68
11367.899
12.456
11383.509
24.124
11412.675
5.445
11435.35
35.889
11478.873
21.516
11532.562
12.904
11549.032
13.29
11575.78
38.232
11614.195
13.052
11678.299
14.015
11692.377
5.232
11746.384
15.824
11793.352
11.37
11811.269
7.177
11819.847
13.732
11846.209
6.064
11860.995
24.621
11888.708
43.114
11934.179
13.172
11971.592
63.686
12035.97
21.565
12057.62
14.002
12073.493
12.635
12087.738
5.261
12093.518
17.61
12111.2
5.61
12116.83
18.062
12135.463
580.58
12716.203
7.921
12729.207
12.957
12755.751
5.972
12763.266
5.714
12771.64
17.996
12827.729
588.89
13419.066
5.025
13425.644
17.192
13445.095
18.801
13482.195
5.422
13495.049
17.42
13514.537
9.844
13524.731
8.02
13536.359
5.158
13644.21
11.567
13690.095
5.58
13710.495
6.348
13760.754
5.928
14050.805
70.003
14513.716
7.263
14566.722
7.584
14574.336
8.325
14715.109
15.753
15215.19
11.198
15515.395
6.83
15595.541
13.595
15808.553
5.588
15830.73
6.58
16517.378
6.22
16527.25
37.903
16597.338
5.422
17518.854
7.87
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Metrics

First Meaningful Paint — 1.5 s
The time taken for the primary content of the page to be rendered.
First CPU Idle — 4.0 s
The time taken for the page's main thread to be quiet enough to handle input.

Opportunities

Eliminate render-blocking resources — Potential savings of 170 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. 1919.cn should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Size (Bytes) Potential Savings (Ms)
https://www.1919.cn/css/common.css?ts=20200409
13667
310
https://www.1919.cn/css/style.css?ts=20200409
2149
230
https://www.1919.cn/css/homewine.css?ts=20200409
4956
230
Properly size images — Potential savings of 198 KB
Images can slow down the page's load time. 1919.cn should consider serving more appropriate-sized images.
URL Size (Bytes) Potential Savings (Bytes)
https://1919-new-bbc-pro-oss.1919.cn/1919/uaa/UIS3G37XWI-VXWHW4Z1755N1AWAWAI1
140479
131881
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/b5d00ca9-c4bc-4316-a91a-3e67c9887552.jpg
32829
23813
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/9c2a1444-b02f-4e8a-a925-0576bfba3c58.jpg
29888
21679
https://www.1919.cn/images/appcode.png
27475
9891
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/a015d1c3-e2c3-4013-a549-ea1a48223ede.jpg
12421
9010
https://1919-new-bbc-pro-oss.1919.cn/default-coupon.jpg
16525
6401
Defer offscreen images — Potential savings of 1,528 KB
Time to Interactive can be slowed down by resources on the page. 1919.cn should consider lazy-loading offscreen and hidden images.
URL Size (Bytes) Potential Savings (Bytes)
https://1919-new-bbc-pro-oss.1919.cn/e65f16b0-5ad6-4ef9-a336-77f244ceacd5.jpg
642784
595170
https://1919-new-bbc-pro-oss.1919.cn/9b7b4892-aec2-4167-8efe-4735a318a782.jpg
434866
402654
https://1919-new-bbc-pro-oss.1919.cn/1919/uaa/UIS3G37XWI-VXWHW4Z1755N1AWAWAI1
140479
140479
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E7%99%BD%E9%85%92.jpg
46055
46055
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E5%95%A4%E9%85%92.jpg
45161
45161
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/%E5%93%81%E7%89%8C%E8%A1%97%E8%91%A1%E8%90%84%E9%85%92.jpg
37744
37744
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/dd6cb670-83d8-436e-8016-1c9bca3d2ff7.jpg
34709
34709
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/dc4f9fef-9bef-4445-abcc-e0e8bf25adf1.jpg
33969
33969
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/45f78edd-8678-4d37-9562-a5093908ffdd.jpg
33773
33773
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/3e2b5e76-34dc-4f0e-b5c3-e80e2cd4614a.jpg
27722
27722
https://www.1919.cn/images/ma.png
26666
26666
https://maponline0.bdimg.com/tile/?qt=vtile&x=707&y=217&z=12&styles=pl&scaler=1&udt=20200509&from=jsapi2_0
20065
20065
https://1919-new-bbc-pro-oss.1919.cn/filing.png
19256
19256
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/a633c54b-e777-452b-89bf-4f652d35f88f.jpg
17570
17570
https://1919-new-bbc-pro-oss.1919.cn/default-coupon.jpg
16525
15227
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/3d8ee653-55cf-4c09-9c7b-445d3de25b93.jpg
8821
8821
https://www.1919.cn/images/img_qrcode.png
8775
8775
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/06790b4e-b85d-4767-b381-e23d65904dc8.jpg
8119
8119
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/b32f5708-2914-44d4-961a-255269275214.jpg
7825
7825
https://1919-new-bbc-pro-oss.1919.cn/600x600.png
7452
7452
https://www.1919.cn/images/like-icon.png
5899
5899
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/bbfa2aba-20d9-4d57-b1c6-d21aac9c8b90.jpg
3936
3936
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
3810
3810
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/seckill-icon.png
3199
3199
https://api.map.baidu.com/images/mapctrls.png
3112
3112
https://api.map.baidu.com/images/copyright_logo.png
2586
2586
https://1919-new-bbc-pro-oss.1919.cn/200x200.png
2425
2425
https://www.1919.cn/images/shopcart.png
2353
2353
Efficiently encode images — Potential savings of 818 KB
Unoptimized images can consume more cellular data than what is necessary.
URL Size (Bytes) Potential Savings (Bytes)
https://1919-new-bbc-pro-oss.1919.cn/e65f16b0-5ad6-4ef9-a336-77f244ceacd5.jpg
642784
424521
https://1919-new-bbc-pro-oss.1919.cn/9b7b4892-aec2-4167-8efe-4735a318a782.jpg
434866
154351
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/dd6cb670-83d8-436e-8016-1c9bca3d2ff7.jpg
34709
27611
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/45f78edd-8678-4d37-9562-a5093908ffdd.jpg
33773
27141
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/dc4f9fef-9bef-4445-abcc-e0e8bf25adf1.jpg
33969
27112
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/b5d00ca9-c4bc-4316-a91a-3e67c9887552.jpg
32829
26105
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/9c2a1444-b02f-4e8a-a925-0576bfba3c58.jpg
29888
23953
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/3e2b5e76-34dc-4f0e-b5c3-e80e2cd4614a.jpg
27722
22289
https://1919-new-bbc-pro-oss.1919.cn/1919/uaa/UIS3G37XWI-VXWHW4Z1755N1AWAWAI1
140479
21531
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/a633c54b-e777-452b-89bf-4f652d35f88f.jpg
17570
15028
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E6%B4%8B%E9%85%92.jpg
47085
13059
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E7%99%BD%E9%85%92.jpg
46055
11527
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/%E5%93%81%E7%89%8C%E8%A1%97%E8%91%A1%E8%90%84%E9%85%92.jpg
37744
9673
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E5%95%A4%E9%85%92.jpg
45161
9062
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/3d8ee653-55cf-4c09-9c7b-445d3de25b93.jpg
8821
5522
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/06790b4e-b85d-4767-b381-e23d65904dc8.jpg
8119
5138
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/de2583af-5ac6-4b9e-bc30-679cbb1f1a25.jpg
7961
4904
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/b32f5708-2914-44d4-961a-255269275214.jpg
7825
4825
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/a015d1c3-e2c3-4013-a549-ea1a48223ede.jpg
12421
4506
Serve images in next-gen formats — Potential savings of 1,353 KB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Size (Bytes) Potential Savings (Bytes)
https://1919-new-bbc-pro-oss.1919.cn/e65f16b0-5ad6-4ef9-a336-77f244ceacd5.jpg
642784
531462
https://1919-new-bbc-pro-oss.1919.cn/9b7b4892-aec2-4167-8efe-4735a318a782.jpg
434866
268574
https://1919-new-bbc-pro-oss.1919.cn/1c747e51-ca74-4a27-bba6-61bc9ab6e77f.png
274680
172206
https://1919-new-bbc-pro-oss.1919.cn/1919/uaa/UIS3G37XWI-VXWHW4Z1755N1AWAWAI1
140479
77213
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/dd6cb670-83d8-436e-8016-1c9bca3d2ff7.jpg
34709
30605
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/dc4f9fef-9bef-4445-abcc-e0e8bf25adf1.jpg
33969
30459
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/45f78edd-8678-4d37-9562-a5093908ffdd.jpg
33773
29751
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/b5d00ca9-c4bc-4316-a91a-3e67c9887552.jpg
32829
29131
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/9c2a1444-b02f-4e8a-a925-0576bfba3c58.jpg
29888
26736
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E6%B4%8B%E9%85%92.jpg
47085
25669
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/3e2b5e76-34dc-4f0e-b5c3-e80e2cd4614a.jpg
27722
25088
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E7%99%BD%E9%85%92.jpg
46055
24179
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/%E5%93%81%E7%89%8C%E8%A1%97%E8%91%A1%E8%90%84%E9%85%92.jpg
37744
21494
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E5%95%A4%E9%85%92.jpg
45161
20355
https://1919-new-bbc-pro-oss.1919.cn/filing.png
19256
18594
https://www.1919.cn/images/ma.png
26666
18536
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/a633c54b-e777-452b-89bf-4f652d35f88f.jpg
17570
15982
https://www.1919.cn/images/appcode.png
27475
10705
https://1919-new-bbc-pro-oss.1919.cn/default-coupon.jpg
16525
8501
Enable text compression — Potential savings of 86 KB
Text-based resources should be served with compression, such as gzip, deflate or brotli.
URL Size (Bytes) Potential Savings (Bytes)
https://www.1919.cn/geo/listLetterCitys.do
35221
30176
https://www.1919.cn/product/index.do
20081
16851
https://www.1919.cn/product/index.do
15950
13445
https://api.map.baidu.com/?qt=s&c=1&wd=%E6%88%90%E9%83%BD&rn=10&log=center&ie=utf-8&oue=1&fromproduct=jsapi&res=api&callback=BMap._rd._cbk98433&ak=QtaGKiMKXEOANaGHm7cDnMbL
6934
4996
https://api.map.baidu.com/?qt=s&c=1&wd=%E6%88%90%E9%83%BD&rn=10&log=center&ie=utf-8&oue=1&fromproduct=jsapi&res=api&callback=BMap._rd._cbk16776&ak=QtaGKiMKXEOANaGHm7cDnMbL
6934
4995
https://www.1919.cn/brandShowcase/listByCategory.do?categoryId=337063315769528320&pageNo=0
5508
4469
https://www.1919.cn/brandShowcase/listByCategory.do?categoryId=337063315824054272&pageNo=0
4764
3843
https://www.1919.cn/brandShowcase/listByCategory.do?categoryId=337063315819859969&pageNo=0
4454
3586
https://www.1919.cn/brandShowcase/listByCategory.do?categoryId=337063315819859968&pageNo=0
3789
2985
https://www.1919.cn//covers/programs/tscp
3812
2847

Diagnostics

Avoid enormous network payloads — Total size was 3,959 KB
Large network payloads can cost users money and are linked to long load times.
URL Size (Bytes)
https://1919-new-bbc-pro-oss.1919.cn/e65f16b0-5ad6-4ef9-a336-77f244ceacd5.jpg
643710
https://1919-new-bbc-pro-oss.1919.cn/9b7b4892-aec2-4167-8efe-4735a318a782.jpg
435796
https://1919-new-bbc-pro-oss.1919.cn/1c747e51-ca74-4a27-bba6-61bc9ab6e77f.png
275608
https://1919-new-bbc-pro-oss.1919.cn/7975a82a-735d-4fee-b565-05bea1414d1f
184372
https://1919-new-bbc-pro-oss.1919.cn/1919/uaa/UIS3G37XWI-VXWHW4Z1755N1AWAWAI1
141289
https://g.alicdn.com/AWSC/WebUMID/1.80.0/um.js
124107
https://g.alicdn.com/AWSC/uab/1.123.6/collina.js
118005
https://1919-new-bbc-pro-oss.1919.cn/c60dc91a-473d-4a60-b464-b9a66322478d
110486
https://1919-new-bbc-pro-oss.1919.cn/fed48caa-a2f6-4d2c-bce9-82d3138025eb
108097
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/cd6e4f15-1a9a-499b-8a20-c4f9686af208
107535

Metrics

Speed Index — 7.9 s
The time taken for the page contents to be visibly populated.
Time to Interactive — 4.6 s
The time taken for the page to become fully interactive.
Max Potential First Input Delay — 1,260 ms
Users could experience a delay when interacting with the page.

Other

Estimated Input Latency — 420 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive 1919.cn as laggy when the latency is higher than 0.05 seconds.
Total Blocking Time — 2,190 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Opportunities

Reduce server response times (TTFB) — Root document took 2,660 ms
Time to First Byte (TTFB) identifies the time at which the server sends a response.

Diagnostics

Serve static assets with an efficient cache policy — 133 resources found
1919.cn can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Size (Bytes)
https://1919-new-bbc-pro-oss.1919.cn/e65f16b0-5ad6-4ef9-a336-77f244ceacd5.jpg
0
643710
https://1919-new-bbc-pro-oss.1919.cn/9b7b4892-aec2-4167-8efe-4735a318a782.jpg
0
435796
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0
275608
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0
184372
https://1919-new-bbc-pro-oss.1919.cn/1919/uaa/UIS3G37XWI-VXWHW4Z1755N1AWAWAI1
0
141289
https://1919-new-bbc-pro-oss.1919.cn/c60dc91a-473d-4a60-b464-b9a66322478d
0
110486
https://1919-new-bbc-pro-oss.1919.cn/fed48caa-a2f6-4d2c-bce9-82d3138025eb
0
108097
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/cd6e4f15-1a9a-499b-8a20-c4f9686af208
0
107535
https://1919-new-bbc-pro-oss.1919.cn/44a8177d-ff31-4323-81bb-545e7af22c83
0
90688
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/3ce62211-0240-470e-8d62-39f861c43fef
0
87063
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/f55737b1-fcd5-4db0-baeb-6c1444f5e858
0
55208
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0
54794
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0
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0
46520
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0
45626
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0
43314
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0
38210
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0
36867
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0
35174
https://www.1919.cn/js/jquery/jquery.min.js
0
34456
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0
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0
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0
33294
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0
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0
28187
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0
28020
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0
27212
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0
27106
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0
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0
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0
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0
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0
18033
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0
17336
https://www.1919.cn/css/common.css?ts=20200409
0
13667
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0
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0
12886
https://www.1919.cn/js/jquery/jquery-ui.js
0
12587
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0
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0
11255
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0
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0
9325
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0
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0
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0
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0
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0
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0
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0
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0
8290
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0
8265
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0
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Avoid an excessive DOM size — 3,900 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
3,900
Maximum DOM Depth
SHOW DETAILS
16
Maximum Child Elements
SHOW DETAILS
37
Reduce JavaScript execution time — 3.9 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.1919.cn/
1269.691
1266.624
2.78
Other
1223.784
41.495
1.666
https://g.alicdn.com/AWSC/WebUMID/1.80.0/um.js
1068.865
1017.312
5.805
https://www.1919.cn/js/jquery/jquery.min.js
1039.429
854.993
3.273
https://g.alicdn.com/AWSC/uab/1.123.6/collina.js
410.106
398.367
5.732
https://api.map.baidu.com/getmodules?v=2.0&t=20140707&mod=map_1ctnlt,oppc_ohwi5e,navictrl_xrl3oa,control_k3vulj,scommon_0mhtzu,local_xjnu5v,autocomplete_ysiia0
242.664
213.038
3.086
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69.242
62.856
6.028
Minimize main-thread work — 5.5 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
4015.895
Style & Layout
577.085
Other
444.351
Rendering
264.55
Parse HTML & CSS
110.197
Garbage Collection
51.684
Script Parsing & Compilation
50.824
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://www.1919.cn/css/fonts/bzicomoon.ttf?ch0hsi
1725.7530000061
48

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of 1919.cn. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.

Audio and video

`<audio>` elements contain a `<track>` element with `[kind="captions"]`
1919.cn may provide assistance to deaf or hearing-impaired users with captions on audio elements.
`<video>` elements contain a `<track>` element with `[kind="captions"]`
1919.cn may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
1919.cn may provide relevant information that dialogue cannot, by using audio descriptions.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>` or `<template>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
送至：
手机商城
商家合作
网站导航
感恩特惠
茅台
五粮液
剑南春
威士忌
拉菲
奔富
300.00
限某些单品可用
限某些门店可用
200.00
限某些单品可用
限某些门店可用
200.00
限某些单品可用
限某些门店可用
160.00
限某些单品可用
限某些门店可用
¥89
¥69
¥196
¥88
1L
白酒TOP5
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1919人头马官方旗舰店
1919帝亚吉欧旗舰店
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4L
啤酒TOP5
1664品牌旗舰店
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古越龙山1919自营店
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壹玖壹玖酒类平台科技股份有限公司All Rights Reserved  蜀ICP备12016338号-1
公司地址：高新区天府大道北段1700号1栋2单元18层1801号
川公网安备 51019002000682号
购买的时候请确认达到法定饮酒年龄！1919不销售含酒精产品给18岁以下人士！

Best practices

`[id]` attributes on the page are not unique
It is advised to keep all id attributes unique in order to prevent instances from being overlooked by screen readers and other assistive technologies.
Failing Elements
正在加载中，请稍后......

Internationalization and localization

`<html>` element does not have a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
Failing Elements
html

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
Form elements do not have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Failing Elements
input
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
Headings don't skip levels
Ensure that headings create an outline for the page and that heading levels are not skipped.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
46

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that 1919.cn should incorporate. This includes practices such as protecting pages with HTTPS.

Other

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
1.10.2
jQuery (Fast path)
jQuery UI
1.11.2
FlexSlider
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.

Other

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://1919.cn/
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
URL Location
https://api.map.baidu.com/getscript?v=2.0&ak=QtaGKiMKXEOANaGHm7cDnMbL&services=false&t=20200327103013
line: 0
Uses `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
URL Location
https://s13.cnzz.com/z_stat.php?id=1262155146&web_id=1262155146
line: 16
https://s13.cnzz.com/z_stat.php?id=1262155146&web_id=1262155146
line: 17
https://api.map.baidu.com/api?ak=QtaGKiMKXEOANaGHm7cDnMbL&v=2.0&services=false
line: 0
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 3 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
SHOW DETAILS
2
Medium
SHOW DETAILS
1
High
Uses deprecated APIs — 1 warning found
Avoid deprecated APIs which will eventually be removed the browser.
Deprecation / Warning URL Line
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
https://www.1919.cn/js/jquery/jquery.min.js
3
Displays images with incorrect aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
URL Aspect Ratio (Displayed) Aspect Ratio (Actual)
https://www.1919.cn/images/shopcart.png
50 x 77 (0.65)
81 x 77 (1.05)
https://1919-new-bbc-pro.oss-cn-beijing.aliyuncs.com/240x300-%E6%B4%8B%E9%85%92.jpg
238 x 300 (0.79)
240 x 300 (0.80)
https://www.1919.cn/images/head.png
80 x 80 (1.00)
84 x 81 (1.04)
https://1919-new-bbc-pro-oss.1919.cn/1919/uaa/UIS3G37XWI-VXWHW4Z1755N1AWAWAI1
196 x 178 (1.10)
750 x 760 (0.99)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
282 x 160 (1.76)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
282 x 160 (1.76)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
282 x 160 (1.76)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
282 x 160 (1.76)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
282 x 160 (1.76)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
https://1919-new-bbc-pro-oss.1919.cn/300x300.png
230 x 140 (1.64)
300 x 300 (1.00)
78

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for 1919.cn. This includes optimizations such as providing meta data.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Mobile Friendly

Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of 1919.cn on mobile screens.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
12

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of 1919.cn. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Contains some content when JavaScript is not available
Apps should display alternative content for when JavaScript is disabled.

Fast and reliable

Page load is not fast enough on mobile networks — Interactive on simulated mobile network at 23.1 s
Ensure that the page loads fast enough over a cellular network, to ensure good mobile user experience.
Current page does not respond with a 200 when offline
In order for Progressive Web Apps to be made available offline, ensure that the app is using a service worker.
`start_url` does not respond with a 200 when offline
Consider using a service worker for Progressive Web Apps to ensure greater reliability for the user, in the case of poor network conditions.

Installable

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://1919.cn/
Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Web app manifest does not meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
View Data

PWA Optimized

Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of 1919.cn on mobile screens.
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 45
Performance 5
Accessibility 43
Best Practices 69
SEO 90
Progressive Web App 19
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
Simulate loading on mobile
5

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for 1919.cn. This includes details about optimizing page load times which can result in a better user experience.

Opportunities

Properly size images
Images can slow down the page's load time. 1919.cn should consider serving more appropriate-sized images.
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. 1919.cn should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. 1919.cn should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. 1919.cn should consider minifying JS files.
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Serve images in next-gen formats
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. 1919.cn should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.

Diagnostics

Avoids enormous network payloads — Total size was 1,066 KB
Large network payloads can cost users money and are linked to long load times.
URL Size (Bytes)
https://static-wemall.1919.cn/wemall/static/js/vendor.3907d093f4afc9807fa5.js
221327
https://static-wemall.1919.cn/wemall/static/js/app.b7444d9353d54a97b32a.js
177086
https://static-wemall.1919.cn/wemall/static/RongIM/js/Libamr-2.2.5.min.js
144366
https://g.alicdn.com/AWSC/WebUMID/1.80.0/um.js
124107
https://g.alicdn.com/AWSC/uab/1.123.6/collina.js
118005
https://api.map.baidu.com/getscript?v=2.0&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&services=&t=20200327103013
67104
https://static-wemall.1919.cn/wemall/static/css/main.css?t=1589019569490
52467
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMLib-2.3.3.min.js
44131
https://dn-growing.qbox.me/vds.js
26756
https://retcode.alicdn.com/retcode/bl.js
16824
Avoids an excessive DOM size — 70 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
70
Maximum DOM Depth
SHOW DETAILS
7
Maximum Child Elements
SHOW DETAILS
16
Avoid chaining critical requests — 10 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. 1919.cn should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 58 requests • 1,066 KB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
58
1092083
Script
24
999566
Stylesheet
2
65692
Image
6
12186
Other
25
8583
Document
1
6056
Media
0
0
Font
0
0
Third-party
36
396173
Minimize third-party usage — Third-party code blocked the main thread for 40 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
79882
40.904

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.

Other

Network Requests
Below is a list of network requests that were made during page load.
URL Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://1919.cn/
0
659.27199996077
278
0
302
text/html
https://www.1919.cn/
659.83900008723
1063.5130000301
664
0
302
application/octet-stream
https://weixin.1919.cn/b2c1919/?
1065.2920000721
2459.7670000512
6056
16137
200
text/html
Document
https://static-wemall.1919.cn/wemall/static/css/main.css?t=1589019569490
2484.7140000202
6170.9809999447
52467
424229
200
text/css
Stylesheet
https://api.map.baidu.com/api?v=2.0&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&s=1
2484.9950000644
2705.7739999145
626
262
200
text/javascript
Script
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMLib-2.3.3.min.js
2485.3189999703
4665.5220000539
44131
113199
200
application/javascript
Script
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongEmoji-2.2.7.min.js
2485.5299999472
3865.0869999547
14870
54747
200
application/javascript
Script
https://static-wemall.1919.cn/wemall/static/RongIM/js/Libamr-2.2.5.min.js
2485.7449999545
5309.3540000264
144366
488140
200
application/javascript
Script
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMVoice-2.2.6.min.js
2485.9629999846
3492.1160000376
2990
6865
200
application/javascript
Script
https://static-wemall.1919.cn/wemall/static/css/app.8541e972af96aa56a5274dcce605cdf6.css
2486.1630001105
3681.346999947
13225
54291
200
text/css
Stylesheet
https://static-wemall.1919.cn/wemall/static/js/manifest.a540e842b0501c45b29a.js
2486.361999996
3535.6129999273
4282
5835
200
application/javascript
Script
https://static-wemall.1919.cn/wemall/static/js/vendor.3907d093f4afc9807fa5.js
2486.6069999989
4758.4669999778
221327
698092
200
application/javascript
Script
https://static-wemall.1919.cn/wemall/static/js/app.b7444d9353d54a97b32a.js
2486.9059999473
6803.4330001101
177086
444174
200
application/javascript
Script
https://api.map.baidu.com/getscript?v=2.0&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&services=&t=20200327103013
6195.9830000997
6818.5380001087
67104
187142
200
text/javascript
Script
https://retcode.alicdn.com/retcode/bl.js
7000.3140000626
8688.7839999981
16824
39036
200
application/javascript
Script
https://g.alicdn.com/AWSC/AWSC/awsc.js?_=1589198635956
7264.5580000244
7293.3340000454
4242
11205
200
application/javascript
Script
https://assets.growingio.com/sdk/wx/vds-wx-plugin.js
7305.6139999535
7984.5710000955
4321
10359
200
application/javascript
Script
https://jic.talkingdata.com/app/h5/v1?appid=3C6822DAD0D54B4EA739810F9F7F5AA2&vn=weimall-web&vc=6.9.3
7306.0600000899
8742.4669999164
1477
1342
200
text/plain
Script
https://s4.cnzz.com/z_stat.php?id=1260872796&web_id=1260872796
7307.1300000884
7991.8619999662
4730
11798
200
application/javascript
Script
https://dn-growing.qbox.me/vds.js
7307.412999915
9932.6510000974
26756
91498
200
application/javascript
Script
https://static-wemall.1919.cn/wemall/static/images/public/dingwei.png
7317.3700000625
7572.2640000749
4928
4071
200
image/png
Image
https://static-wemall.1919.cn/wemall/static/images/vector_search.png
7318.0420000572
7581.612000009
1933
1072
200
image/png
Image
https://static-wemall.1919.cn/wemall/static/images/public/tongzhi_l_g@2x.png
7318.3760000393
7551.0249999352
4011
3148
200
image/png
Image
https://weixin.1919.cn/ch1919/downtime/status.do?version=6.9.3&fuseTag=weixin&clientType=weimall-web&globalParams=%7B%22osVersion%22:%226.9.3%22%7D&uaToken=&data=%7B%7D
7390.4450000264
8577.9019999318
372
163
200
application/json
XHR
https://kuaihe-uh.1919.cn/userBehaviors?av=undefined&token=undefined
7391.4350001141
8727.8859999496
359
0
200
text/plain
XHR
https://weixin.1919.cn/ch1919/downtime/status.do?version=6.9.3&fuseTag=weixin&clientType=weimall-web&globalParams=%7B%22osVersion%22:%226.9.3%22%7D&uaToken=&data=%7B%7D
7393.8850001432
8588.3840001188
372
163
200
application/json
XHR
https://weixin.1919.cn/ch1919/system/channelSave.do?version=6.9.3&fuseTag=weixin&clientType=weimall-web&globalParams=%7B%22osVersion%22:%226.9.3%22%7D&addressLat=&addressLon=&randomkey=&uaToken=&data=%7B%7D
7396.320000058
8874.7580000199
448
10
200
application/json
XHR
https://kuaihe-uh.1919.cn/auth/getToken?accessKey=vWcwQrOemk73XWcS&ts=1589198636109&uniqueId=11e08cf0-a87c-426e-9713-9737af409b14&sign=b3bb934f1b1f54f304a85d2e8698fc10
7397.3169999663
8664.6380000748
668
322
200
application/json
XHR
https://api.map.baidu.com/?qt=verify&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&callback=BMap._rd._cbk12799
7417.3010000959
7639.067000011
441
57
200
application/javascript
Script
https://api.map.baidu.com/images/blank.gif?product=jsapi&sub_product=jsapi&v=2.0&sub_product_v=2.0&t=2324952&code=5000&da_src=5000&device_pixel_ratio=2.625&platform=Linux%20x86_64
7418.1010001339
7632.6379999518
496
49
200
image/gif
Image
https://g.alicdn.com/AWSC/uab/1.123.6/collina.js
7433.9540000074
7473.3990000095
118005
294471
200
application/javascript
Script
https://g.alicdn.com/AWSC/WebUMID/1.80.0/um.js
7435.175999999
7592.0659999829
124107
315550
200
application/javascript
Script
https://api.map.baidu.com/getmodules?v=2.0&t=20140707&mod=scommon_0mhtzu,othersearch_kubtj3
7435.3110000957
8454.8130000476
10655
28106
200
text/javascript
Script
https://41f366.tdum.alibaba.com/dss.js
7695.4620000906
8279.1500000749
410
52
200
application/javascript
Script
https://ynuf.aliapp.org/w/cb.js
7724.9199999496
8013.9369999524
724
49
200
text/javascript
Script
https://c.cnzz.com/core.php?web_id=1260872796&t=z
8012.2980000451
8547.5600000937
2265
3113
200
application/javascript
Script
https://z11.cnzz.com/stat.htm?id=1260872796&r=&lg=en-us&ntime=none&cnzz_eid=1586335348-1589195116-&showp=412x660&p=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&t=1919%E5%90%83%E5%96%9D%E9%A6%96%E9%A1%B5&umuuid=172039ec7062ae-0827bd5c53f501-62703f3e-42630-172039ec7072ad&h=1&rnd=171617603
8012.6529999543
9315.2620000765
245
2
200
text/html
Image
https://ynuf.aliapp.org/service/um.json
8852.3170000408
9150.3540000413
1052
115
200
text/plain
XHR
https://cnzz.mmstat.com/9.gif?abc=1&rnd=1236860954
8877.4679999333
9248.918000143
573
43
200
image/gif
Image
https://jic.talkingdata.com/app/h5/v1/websdk/js/sdk_release.js
8879.65300004
10087.032000069
7267
20944
200
application/x-javascript
Script
https://api.map.baidu.com/location/ip?qt=loc&coor=bd09ll&ak=Er8iGG4UMfSd3Ckuc6w8C56peI4ge1Ih&timeout=10000&callback=_cbk57336
8892.0380000491
9109.8269999493
560
98
200
application/javascript
Script
https://kuaihe-uh.1919.cn/userBehaviors?av=undefined&token=undefined
8892.9850000422
9144.8890001047
409
64
200
application/json
XHR
https://kuaihe-uh.1919.cn/auth/getToken?accessKey=vWcwQrOemk73XWcS&ts=1589198637948&uniqueId=11e08cf0-a87c-426e-9713-9737af409b14&sign=e5dd4d34cde95efd8886ece243a2690e
9150.7610001136
10091.667999979
668
322
200
application/json
XHR
https://beacon.tingyun.com/xhr1?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&__r=1589198637979
9178.9840001147
9181.452000048
0
0
-1
Other
https://api.growingio.com/v2/8037442b0abfe08e/web/pv?stm=1589198638756
9957.0339999627
11381.138999946
483
0
200
text/plain
XHR
https://tags.growingio.com/products/8037442b0abfe08e/web/weixin.1919.cn/settings/general
9959.2740000226
11608.725999948
290
13
200
application/json
XHR
https://h5.udrig.com/app/v1
10103.676000144
11953.610999975
214
3
200
application/octet-stream
XHR
https://arms-retcode.aliyuncs.com/r.png?t=api&times=1&page=%2Findex&tag=&release=&environment=prod&begin=1589198637950&api=kuaihe-uh.1919.cn%2Fauth%2FgetToken&success=1&time=956&code=200&msg=success&traceId=&pv_id=Ibkysa742zdf10upF4Ftq48fXj3h&domain=weixin.1919.cn&sr=412x660&vp=412x660&ct=4g&uid=3akqqaLF2sgfsguw05awoOneCsX7&sid=Chkg7ad72C5f5Iueb59Fo7qfRvse&pid=f14eehnnbd%40324aeb8338cbc65&_v=1.8.15&sampling=1&z=ka2fu4qc&post_res=
10120.46799995
12038.852999918
241
1
200
image/png
XHR
https://arms-retcode.aliyuncs.com/r.png?t=pv&times=1&page=%2Findex&tag=&release=&environment=prod&begin=1589198638915&uid=3akqqaLF2sgfsguw05awoOneCsX7&dt=1919%E5%90%83%E5%96%9D%E9%A6%96%E9%A1%B5&dl=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&dr=&dpr=2.63&de=utf-8&ul=ch&sr=412x660&vp=412x660&ct=4g&sid=Chkg7ad72C5f5Iueb59Fo7qfRvse&pid=f14eehnnbd%40324aeb8338cbc65&_v=1.8.15&pv_id=Ibkysa742zdf10upF4Ftq48fXj3h&sampling=1&z=ka2fu4qd
10120.787000051
10427.362000104
309
0
200
image/png
Fetch
https://arms-retcode.aliyuncs.com/r.png?t=perf&times=1&page=weixin.1919.cn%2Fb2c1919&tag=&release=&environment=prod&begin=1589198629872&dns=0&tcp=0&ssl=1065&ttfb=2461&trans=0&dom=4949&res=2698&firstbyte=1396&fpt=1396&tti=6345&ready=6350&load=9048&ct=4g&bandwidth=9.8&navtype=Other&autoSend=true&sr=412x660&vp=412x660&uid=3akqqaLF2sgfsguw05awoOneCsX7&sid=Chkg7ad72C5f5Iueb59Fo7qfRvse&pid=f14eehnnbd%40324aeb8338cbc65&_v=1.8.15&pv_id=Ibkysa742zdf10upF4Ftq48fXj3h&sampling=1&z=ka2fu4qe
10121.252000099
11322.522999952
309
0
200
image/png
Fetch
https://arms-retcode.aliyuncs.com/r.png?t=res&times=1&page=weixin.1919.cn%2Fb2c1919&tag=&release=&environment=prod&begin=1589198629864&dom=4949&load=9048&dl=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&sr=412x660&vp=412x660&ct=4g&uid=3akqqaLF2sgfsguw05awoOneCsX7&sid=Chkg7ad72C5f5Iueb59Fo7qfRvse&pid=f14eehnnbd%40324aeb8338cbc65&_v=1.8.15&pv_id=Ibkysa742zdf10upF4Ftq48fXj3h&sampling=1&z=ka2fu4qf&post_res=
10125.948000001
10692.913000006
241
1
200
image/png
XHR
https://beacon.tingyun.com/pf?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&f=1065&qs=1065&rs=2462&re=2462&os=7411&oe=7416&oi=7410&oc=10113&ls=10113&le=10128&tus=0&tue=0&je=0&sh=660&sw=412&fp=6820&__fp=1&dr=7412&fs=6820&trflag=1111&__r=1589198638933
10132.418000139
10135.128000053
0
0
-1
Other
https://beacon.tingyun.com/xhr1?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&__r=1589198639974
11174.792000093
11177.521999925
0
0
-1
Other
https://arms-retcode.aliyuncs.com/r.png?t=api&times=1&page=%2Findex&tag=&release=&environment=prod&begin=1589198638757&api=api.growingio.com%2Fv2b0abfe08e%2Fweb%2Fpv&success=1&time=1427&code=200&msg=&traceId=&pv_id=Ibkysa742zdf10upF4Ftq48fXj3h&domain=weixin.1919.cn&sr=412x660&vp=412x660&ct=4g&uid=3akqqaLF2sgfsguw05awoOneCsX7&sid=Chkg7ad72C5f5Iueb59Fo7qfRvse&pid=f14eehnnbd%40324aeb8338cbc65&_v=1.8.15&sampling=1&z=ka2fu4qg&post_res=
11386.377000017
11675.49100006
241
1
200
image/png
XHR
https://api.growingio.com/v2/8037442b0abfe08e/web/action?stm=1589198640275
11476.200999925
12709.527000086
483
0
200
text/plain
XHR
https://arms-retcode.aliyuncs.com/r.png?t=api&times=1&page=%2Findex&tag=&release=&environment=prod&begin=1589198638760&api=tags.growingio.com%2Fproductsb0abfe08e%2Fweb%2Fweixin.1919.cn%2Fsettings%2Fgeneral&success=1&time=1651&code=200&msg=&traceId=&pv_id=Ibkysa742zdf10upF4Ftq48fXj3h&domain=weixin.1919.cn&sr=412x660&vp=412x660&ct=4g&uid=3akqqaLF2sgfsguw05awoOneCsX7&sid=Chkg7ad72C5f5Iueb59Fo7qfRvse&pid=f14eehnnbd%40324aeb8338cbc65&_v=1.8.15&sampling=1&z=ka2fu4qh&post_res=
11612.838000059
11865.515999962
241
1
200
image/png
XHR
https://arms-retcode.aliyuncs.com/r.png?t=api&times=1&page=%2Findex&tag=&release=&environment=prod&begin=1589198640275&api=api.growingio.com%2Fv2b0abfe08e%2Fweb%2Faction&success=1&time=1238&code=200&msg=&traceId=&pv_id=Ibkysa742zdf10upF4Ftq48fXj3h&domain=weixin.1919.cn&sr=412x660&vp=412x660&ct=4g&uid=3akqqaLF2sgfsguw05awoOneCsX7&sid=Chkg7ad72C5f5Iueb59Fo7qfRvse&pid=f14eehnnbd%40324aeb8338cbc65&_v=1.8.15&sampling=1&z=ka2fu4qi&post_res=
12714.035999961
12980.819999939
241
1
200
image/png
XHR
https://beacon.tingyun.com/xhr1?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&__r=1589198641973
13173.14700014
13182.812999934
0
0
-1
Other
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
2489.283
18.789
6200.272
20.945
6860.789
565.162
7426.226
7.469
7435.653
7.288
7450.413
9.498
7523.32
111.326
7662.284
132.174
7795.517
20.166
7868.461
20.267
7929.457
22.925
8009.549
11.98
8027.336
12.859
8042.277
12.936
8107.419
14.405
8170.811
14.046
8223.84
24.051
8307.486
21.148
8352.629
22.813
8430.595
450.594
8896.206
6.645
8907.089
8.814
9172.42
5.207
9178.25
26.107
9964.589
22.835
10115.358
15.72
10131.136
23.582
11409.629
5.196
11486.488
9.229
11496.688
5.927
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Opportunities

Remove unused CSS — Potential savings of 62 KB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. 1919.cn should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Size (Bytes) Potential Savings (Bytes)
https://static-wemall.1919.cn/wemall/static/css/main.css?t=1589019569490
52467
50459
https://static-wemall.1919.cn/wemall/static/css/app.8541e972af96aa56a5274dcce605cdf6.css
13225
13225

Metrics

First Contentful Paint — 8.3 s
The time taken for the first image or text on the page to be rendered.
First Meaningful Paint — 8.3 s
The time taken for the primary content of the page to be rendered.
Speed Index — 18.0 s
The time taken for the page contents to be visibly populated.
Time to Interactive — 14.6 s
The time taken for the page to become fully interactive.
First CPU Idle — 14.5 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 1,800 ms
Users could experience a delay when interacting with the page.

Other

Estimated Input Latency — 1,050 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive 1919.cn as laggy when the latency is higher than 0.05 seconds.
Total Blocking Time — 3,420 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
First Contentful Paint (3G) — 16850 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Eliminate render-blocking resources — Potential savings of 3,230 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. 1919.cn should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Size (Bytes) Potential Savings (Ms)
https://static-wemall.1919.cn/wemall/static/css/main.css?t=1589019569490
52467
2730
https://api.map.baidu.com/api?v=2.0&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&s=1
626
780
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMLib-2.3.3.min.js
44131
2580
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongEmoji-2.2.7.min.js
14870
1530
https://static-wemall.1919.cn/wemall/static/RongIM/js/Libamr-2.2.5.min.js
144366
4230
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMVoice-2.2.6.min.js
2990
930
https://static-wemall.1919.cn/wemall/static/css/app.8541e972af96aa56a5274dcce605cdf6.css
13225
1380
Reduce server response times (TTFB) — Root document took 1,400 ms
Time to First Byte (TTFB) identifies the time at which the server sends a response.
Avoid multiple page redirects — Potential savings of 1,410 ms
Redirects can cause additional delays before the page can begin loading. 1919.cn should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
(Start) http://1919.cn/
0
https://www.1919.cn/
630
https://weixin.1919.cn/b2c1919/?
780

Diagnostics

Serve static assets with an efficient cache policy — 29 resources found
1919.cn can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Size (Bytes)
https://static-wemall.1919.cn/wemall/static/js/vendor.3907d093f4afc9807fa5.js
0
221327
https://static-wemall.1919.cn/wemall/static/js/app.b7444d9353d54a97b32a.js
0
177086
https://static-wemall.1919.cn/wemall/static/RongIM/js/Libamr-2.2.5.min.js
0
144366
https://static-wemall.1919.cn/wemall/static/css/main.css?t=1589019569490
0
52467
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMLib-2.3.3.min.js
0
44131
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongEmoji-2.2.7.min.js
0
14870
https://static-wemall.1919.cn/wemall/static/css/app.8541e972af96aa56a5274dcce605cdf6.css
0
13225
https://jic.talkingdata.com/app/h5/v1/websdk/js/sdk_release.js
0
7267
https://static-wemall.1919.cn/wemall/static/images/public/dingwei.png
0
4928
https://assets.growingio.com/sdk/wx/vds-wx-plugin.js
0
4321
https://static-wemall.1919.cn/wemall/static/js/manifest.a540e842b0501c45b29a.js
0
4282
https://static-wemall.1919.cn/wemall/static/images/public/tongzhi_l_g@2x.png
0
4011
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMVoice-2.2.6.min.js
0
2990
https://static-wemall.1919.cn/wemall/static/images/vector_search.png
0
1933
https://jic.talkingdata.com/app/h5/v1?appid=3C6822DAD0D54B4EA739810F9F7F5AA2&vn=weimall-web&vc=6.9.3
0
1477
https://41f366.tdum.alibaba.com/dss.js
0
410
https://z11.cnzz.com/stat.htm?id=1260872796&r=&lg=en-us&ntime=none&cnzz_eid=1586335348-1589195116-&showp=412x660&p=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&t=1919%E5%90%83%E5%96%9D%E9%A6%96%E9%A1%B5&umuuid=172039ec7062ae-0827bd5c53f501-62703f3e-42630-172039ec7072ad&h=1&rnd=171617603
0
245
https://c.cnzz.com/core.php?web_id=1260872796&t=z
823000
2265
https://s4.cnzz.com/z_stat.php?id=1260872796&web_id=1260872796
5400000
4730
https://api.map.baidu.com/getscript?v=2.0&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&services=&t=20200327103013
86400000
67104
https://dn-growing.qbox.me/vds.js
86400000
26756
https://retcode.alicdn.com/retcode/bl.js
86400000
16824
https://api.map.baidu.com/getmodules?v=2.0&t=20140707&mod=scommon_0mhtzu,othersearch_kubtj3
86400000
10655
https://api.map.baidu.com/location/ip?qt=loc&coor=bd09ll&ak=Er8iGG4UMfSd3Ckuc6w8C56peI4ge1Ih&timeout=10000&callback=_cbk57336
86400000
560
https://api.map.baidu.com/images/blank.gif?product=jsapi&sub_product=jsapi&v=2.0&sub_product_v=2.0&t=2324952&code=5000&da_src=5000&device_pixel_ratio=2.625&platform=Linux%20x86_64
86400000
496
https://api.map.baidu.com/?qt=verify&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&callback=BMap._rd._cbk12799
86400000
441
https://g.alicdn.com/AWSC/WebUMID/1.80.0/um.js
2592000000
124107
https://g.alicdn.com/AWSC/uab/1.123.6/collina.js
2592000000
118005
https://g.alicdn.com/AWSC/AWSC/awsc.js?_=1589198635956
2592000000
4242
Reduce JavaScript execution time — 6.0 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://g.alicdn.com/AWSC/WebUMID/1.80.0/um.js
3044.636
2936.232
22.464
https://static-wemall.1919.cn/wemall/static/js/app.b7444d9353d54a97b32a.js
1727.204
1282.916
34.148
Other
792.596
72.316
5.328
https://g.alicdn.com/AWSC/uab/1.123.6/collina.js
445.448
420.344
25.104
https://static-wemall.1919.cn/wemall/static/RongIM/js/Libamr-2.2.5.min.js
324.808
229.388
95.42
https://static-wemall.1919.cn/wemall/static/RongIM/js/RongIMLib-2.3.3.min.js
158.62
149.512
9.108
https://dn-growing.qbox.me/vds.js
150.788
143.156
6.052
https://retcode.alicdn.com/retcode/bl.js
139.748
132.372
5.936
https://api.map.baidu.com/getscript?v=2.0&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&services=&t=20200327103013
122.444
98.824
23.62
https://static-wemall.1919.cn/wemall/static/js/vendor.3907d093f4afc9807fa5.js
84.356
28.484
55.872
https://41f366.tdum.alibaba.com/dss.js
83.74
82.764
0.976
https://jic.talkingdata.com/app/h5/v1/websdk/js/sdk_release.js
61.456
54.824
6.632
https://s4.cnzz.com/z_stat.php?id=1260872796&web_id=1260872796
50.28
45.564
4.716
Minimize main-thread work — 7.4 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
5814.32
Other
509.92
Style & Layout
364.956
Script Parsing & Compilation
333.752
Garbage Collection
152.58
Parse HTML & CSS
148.892
Rendering
40.884
43

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of 1919.cn. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.

Audio and video

`<audio>` elements contain a `<track>` element with `[kind="captions"]`
1919.cn may provide assistance to deaf or hearing-impaired users with captions on audio elements.
`<video>` elements contain a `<track>` element with `[kind="captions"]`
1919.cn may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
1919.cn may provide relevant information that dialogue cannot, by using audio descriptions.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Links have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>` or `<template>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Best practices

`[id]` attributes on the page are unique
It is advised to keep all id attributes unique in order to prevent instances from being overlooked by screen readers and other assistive technologies.
The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
请输入商品名称

Best practices

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.
Failing Elements
meta

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
Headings don't skip levels
Ensure that headings create an outline for the page and that heading levels are not skipped.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
69

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that 1919.cn should incorporate. This includes practices such as protecting pages with HTTPS.

Other

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Links to cross-origin destinations are safe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Vue
2.6.10
Vue (Fast path)
2.6.10
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.

Other

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://1919.cn/
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
URL Location
https://static-wemall.1919.cn/wemall/static/js/vendor.3907d093f4afc9807fa5.js
line: 72
Uses `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
URL Location
https://api.map.baidu.com/api?v=2.0&ak=Z9Cl3RVPf2SYcDyZ8nlAC66BqNmvVNRC&s=1
line: 0
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
URL Description
https://beacon.tingyun.com/xhr1?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&__r=1589198637979
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
https://beacon.tingyun.com/pf?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&f=1065&qs=1065&rs=2462&re=2462&os=7411&oe=7416&oi=7410&oc=10113&ls=10113&le=10128&tus=0&tue=0&je=0&sh=660&sw=412&fp=6820&__fp=1&dr=7412&fs=6820&trflag=1111&__r=1589198638933
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
https://beacon.tingyun.com/xhr1?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&__r=1589198639974
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
https://beacon.tingyun.com/xhr1?pvid=6369cd66-b176-4f4e-9cf3-b8168d5665d9&ref=https%3A%2F%2Fweixin.1919.cn%2Fb2c1919%2F%3F%23%2Findex&referrer=&key=kYxg4zVbrEU&v=1.7.4&av=1.7.4&did=52e8f163-126c-4940-8e25-a8638432bd5e&sid=99e1d46f-90df-4c97-b0b4-a0a91c984d3c&__r=1589198641973
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
90

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for 1919.cn. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of 1919.cn on mobile screens.
Document uses legible font sizes — 95.83% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
https://static-wemall.1919.cn/wemall/static/css/main.css?t=1589019569490:1:353175
.newkh-eat-head .pmsg i.zy-badge
4.17%
8px
Legible text
95.83%
≥ 12px
Tap targets are sized appropriately — 100% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Image elements have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Content Best Practices

Document does not have a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
19

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of 1919.cn. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of 1919.cn on mobile screens.

Fast and reliable

Page load is not fast enough on mobile networks — Interactive at 14.6 s
Ensure that the page loads fast enough over a cellular network, to ensure good mobile user experience.
Current page does not respond with a 200 when offline
In order for Progressive Web Apps to be made available offline, ensure that the app is using a service worker.
`start_url` does not respond with a 200 when offline
Consider using a service worker for Progressive Web Apps to ensure greater reliability for the user, in the case of poor network conditions.

Installable

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://1919.cn/
Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Web app manifest does not meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
View Data

PWA Optimized

Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide fallback content when JavaScript is not available
Apps should display alternative content for when JavaScript is disabled.
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 203.107.42.43
Continent: Asia
Country: China
China Flag
Region:
City:
Longitude: 113.7266
Latitude: 34.7725
Currencies: CNY
Languages: Mandarin

Web Hosting Provider

Name IP Address
Aliyun Computing Co., LTD
Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness:
WOT Child Safety:
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: *.1919.cn
Issued By: RapidSSL RSA CA 2018
Valid From: 24th October, 2019
Valid To: 23rd October, 2021
Subject: CN = *.1919.cn
Hash: 836bae59
Issuer: CN = RapidSSL RSA CA 2018
OU = www.digicert.com
O = DigiCert Inc
S = US
Version: 2
Serial Number: 1871425437454614372530000864846185817
Serial Number (Hex): 01686C65D5950694188CE3FB7EDE8559
Valid From: 24th October, 2024
Valid To: 23rd October, 2024
Signature Algorithm (Short Name): RSA-SHA256
Signature Algorithm (Long Name): sha256WithRSAEncryption
Authority Key Identifier: keyid:53:CA:17:59:FC:6B:C0:03:21:2F:1A:AE:E4:AA:A8:1C:82:56:DA:75
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
CRL Distribution Points:
Full Name:
URI:http://cdp.rapidssl.com/RapidSSLRSACA2018.crl
Certificate Policies: Policy: 2.16.840.1.114412.1.2
CPS: https://www.digicert.com/CPS
Policy: 2.23.140.1.2.1
Authority Information Access: OCSP - URI:http://status.rapidssl.com
CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLRSACA2018.crt
SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : A4:B9:09:90:B4:18:58:14:87:BB:13:A2:CC:67:70:0A:
3C:35:98:04:F9:1B:DF:B8:E3:77:CD:0E:C8:0D:DC:10
Timestamp : Oct 24 09:22:51.775 2019 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:21:00:9F:DA:98:F2:BB:99:07:18:EA:CE:7D:
D7:DA:E7:A2:34:83:C8:B0:D2:1E:D7:90:62:A2:78:5E:
FD:D6:4F:9F:91:02:20:4E:A7:4F:28:86:5D:A3:C8:7B:
59:05:92:70:76:68:EC:AA:76:CE:54:3A:98:E5:38:19:
51:38:14:ED:CB:B7:79
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 44:94:65:2E:B0:EE:CE:AF:C4:40:07:D8:A8:FE:28:C0:
DA:E6:82:BE:D8:CB:31:B5:3F:D3:33:96:B5:B6:81:A8
Timestamp : Oct 24 09:22:51.665 2019 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:A7:1C:7A:11:0B:1A:CA:61:D6:44:DD:
5E:DA:57:70:1B:BD:34:F4:D9:6C:41:EB:31:8B:DA:65:
DF:38:51:89:96:02:21:00:9D:C4:67:05:E8:D8:86:E1:
BB:38:BB:3A:E2:F9:D2:BF:40:D3:7A:B4:11:89:52:14:
8F:B5:D3:EE:CA:8B:98:F0
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : BB:D9:DF:BC:1F:8A:71:B5:93:94:23:97:AA:92:7B:47:
38:57:95:0A:AB:52:E8:1A:90:96:64:36:8E:1E:D1:85
Timestamp : Oct 24 09:22:51.778 2019 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:21:D2:85:06:52:FB:30:E6:62:2B:35:75:
95:C8:AC:EE:DD:85:E7:A9:42:36:87:F8:C9:A4:C9:5B:
41:24:AD:C0:02:20:57:63:49:E3:0D:86:AA:FE:8A:1D:
74:80:38:92:98:72:0B:38:CA:E2:37:BB:F1:43:12:42:
35:22:3D:41:39:99
Key Usage: Digital Signature, Key Encipherment
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:1919.cn
DNS:*.1919.cn
Technical

DNS Lookup

A Records

Host IP Address Class TTL
1919.cn. 203.107.42.43 IN 599

NS Records

Host Nameserver Class TTL
1919.cn. vip2.alidns.com. IN 21599
1919.cn. vip1.alidns.com. IN 21599

MX Records

Priority Host Server Class TTL
5 1919.cn. mxbiz1.qq.com. IN 599
10 1919.cn. mxbiz2.qq.com. IN 599

HTTP Response Headers

HTTP-Code: HTTP/1.1 200 OK
Server: Tengine
Content-Type: text/html;charset=utf-8
Date: 11th May, 2020
Connection: keep-alive
Set-Cookie: *
Vary: Accept-Encoding
Ali-Swift-Global-Savetime: 1589198567
Via: cache47.l2cn1824[1413,200-0,M], cache47.l2cn1824[1414,0], vcache28.cn615[1521,200-0,M], vcache43.cn615[1523,0]
X-Cache: MISS TCP_MISS dirn:-2:-2
X-Swift-SaveTime: Mon, 11 May 2020 12:02:47 GMT
X-Swift-CacheTime: 0
Timing-Allow-Origin: *
EagleId: 3d93df4915891985658668988e

Whois Lookup

Created:
Changed:
Expires:
Registrar: 阿里云计算有限公司（万网）
Status: ok
Nameservers: vip1.alidns.com
vip2.alidns.com
Full Whois: Domain Name: 1919.cn
ROID: 20050402s10001s04518572-cn
Domain Status: ok
Registrant ID: hc0472417895071
Registrant: 壹玖壹玖酒类平台科技股份有限公司
Registrant Contact Email: 68741@1919.cn
Sponsoring Registrar: 阿里云计算有限公司（万网）
Name Server: vip1.alidns.com
Name Server: vip2.alidns.com
Registration Time: 2005-04-02 12:19:17
Expiration Time: 2021-04-02 12:19:17
DNSSEC: unsigned
View Raw Whois

Nameservers

Name IP Address
vip1.alidns.com 170.33.80.8
vip2.alidns.com 8.212.93.2
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Subdomains

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Domain Valuation Snoop Score
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