5.1 sec in total
529 ms
4.1 sec
491 ms
Welcome to linux.cn homepage info - get ready to check Linux best content for China right away, or after learning these important things about linux.cn
Linux中国是一家创立于2003年的国内开源社区,主要关注方向在 Linux 推广、Linux 技术研究、Linux 业界事件的传播。Linux 中国包括网站、微博、微信和邮件列表等平台。
Visit linux.cnWe analyzed Linux.cn page load time and found that the first response time was 529 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
linux.cn performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value3.9 s
52/100
25%
Value6.8 s
35/100
10%
Value390 ms
69/100
30%
Value0
100/100
15%
Value3.3 s
94/100
10%
529 ms
1097 ms
1187 ms
1195 ms
1428 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Linux.cn, 94% (31 requests) were made to Img.linux.net.cn. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Img.linux.net.cn.
Page size can be reduced by 74.7 kB (23%)
331.9 kB
257.2 kB
In fact, the total size of Linux.cn main page is 331.9 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. 20% of websites need less resources to load. Images take 165.6 kB which makes up the majority of the site volume.
Potential reduce by 51.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 51.2 kB or 77% of the original size.
Potential reduce by 16.4 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. Linux images are well optimized though.
Potential reduce by 4.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 3.1 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. Linux.cn needs all CSS files to be minified and compressed as it can save up to 3.1 kB or 11% of the original size.
Number of requests can be reduced by 17 (55%)
31
14
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linux. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
linux.cn
529 ms
linux.cn
1097 ms
style_1_common.css
1187 ms
responsive.css
1195 ms
common.js
1428 ms
jquery-1.11.0.min.js
1534 ms
jquery.plugins.js
1290 ms
bootstrap.min.js
1265 ms
portal.js
1418 ms
logging.js
1413 ms
md5.js
1493 ms
linux-logo-2022nw.svg
229 ms
qq_login.gif
235 ms
sina_login.gif
246 ms
213428p8rszfsnra28wqar.jpg.large.jpg
694 ms
123705b2wp8zrrxrjujq7f.jpg.large.jpg
448 ms
px.png
228 ms
pn.png
456 ms
nv2.png
442 ms
nv2_a.png
450 ms
searchtop.png
459 ms
tag.png
648 ms
t.sina.png
675 ms
wy_icon.png
676 ms
fb_icon.png
677 ms
zh_icon.png
688 ms
tw_icon.png
874 ms
tg_icon.png
896 ms
dd_icon.png
898 ms
title.png
824 ms
dot.gif
830 ms
links.png
839 ms
scrolltop.png
1016 ms
linux.cn accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
linux.cn 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
linux.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Linux.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Linux.cn 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.
linux.cn
Open Graph description is not detected on the main page of Linux. 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: