4 sec in total
682 ms
2.9 sec
409 ms
Visit v2ex.com now to see the best up-to-date V2EX content for China and also check out these interesting facts you probably never knew about v2ex.com
创意工作者的社区。讨论编程、设计、硬件、游戏等令人激动的话题。
Visit v2ex.comWe analyzed V2ex.com page load time and found that the first response time was 682 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
v2ex.com performance score
name
value
score
weighting
Value1.7 s
92/100
10%
Value2.4 s
91/100
25%
Value4.0 s
81/100
10%
Value3,400 ms
2/100
30%
Value0
100/100
15%
Value10.5 s
24/100
10%
682 ms
505 ms
354 ms
1144 ms
360 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 27% of them (20 requests) were addressed to the original V2ex.com, 66% (48 requests) were made to Cdn.v2ex.co and 4% (3 requests) were made to Cdn.v2ex.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain V2ex.com.
Page size can be reduced by 476.5 kB (58%)
819.4 kB
342.9 kB
In fact, the total size of V2ex.com main page is 819.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Javascripts take 469.8 kB which makes up the majority of the site volume.
Potential reduce by 68.8 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 10.9 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 68.8 kB or 85% of the original size.
Potential reduce by 9.4 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. V2EX images are well optimized though.
Potential reduce by 328.3 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 328.3 kB or 70% of the original size.
Potential reduce by 70.1 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. V2ex.com needs all CSS files to be minified and compressed as it can save up to 70.1 kB or 84% of the original size.
Number of requests can be reduced by 28 (39%)
71
43
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of V2EX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
v2ex.com
682 ms
basic.css
505 ms
style.css
354 ms
desktop.css
1144 ms
highlight.css
360 ms
font-awesome.min.css
367 ms
jquery.js
807 ms
jquery-ui.js
872 ms
jquery.autosize.js
746 ms
jquery.textcomplete.css
369 ms
v2ex.js
524 ms
select2.css
527 ms
select2.min.js
546 ms
selectboxit.css
552 ms
selectboxit.min.js
666 ms
jquery.textcomplete.min.js
542 ms
logo@2x.png
157 ms
qbar_light@2x.png
166 ms
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shadow_light.png
186 ms
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173 ms
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175 ms
do.png
174 ms
lang_zhcn_32.png
184 ms
analytics.js
22 ms
fontawesome-webfont.woff
723 ms
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12 ms
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899 ms
af82554719fb046cde526fc476782709
937 ms
6454a0b5cdd673f449b66a212a3647c0
906 ms
v2ex.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
v2ex.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
v2ex.com SEO score
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
ZH
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise V2ex.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that V2ex.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
v2ex.com
Open Graph description is not detected on the main page of V2EX. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: