17.2 sec in total
1.3 sec
15.5 sec
467 ms
Click here to check amazing 2 Itcn content for China. Otherwise, check out these important facts you probably never knew about 2itcn.com
IT中国操作系统门户网全面提供windows、linux、moblie、Mac等市面常见的操作系统的资讯、教程等资料,全力打造最全最好的操作系统门户站!
Visit 2itcn.comWe analyzed 2itcn.com page load time and found that the first response time was 1.3 sec and then it took 15.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
2itcn.com performance score
name
value
score
weighting
Value3.4 s
37/100
10%
Value7.7 s
3/100
25%
Value6.3 s
42/100
10%
Value70 ms
99/100
30%
Value0
100/100
15%
Value6.2 s
62/100
10%
1257 ms
574 ms
544 ms
546 ms
776 ms
Our browser made a total of 140 requests to load all elements on the main page. We found that 64% of them (90 requests) were addressed to the original 2itcn.com, 6% (9 requests) were made to Cpro.baidustatic.com and 6% (8 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source Hzs11.cnzz.com.
Page size can be reduced by 486.3 kB (47%)
1.0 MB
551.7 kB
In fact, the total size of 2itcn.com main page is 1.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 499.1 kB which makes up the majority of the site volume.
Potential reduce by 93.6 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 93.6 kB or 80% of the original size.
Potential reduce by 44.6 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. Obviously, 2 Itcn needs image optimization as it can save up to 44.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 331.6 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 331.6 kB or 66% of the original size.
Potential reduce by 16.4 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. 2itcn.com needs all CSS files to be minified and compressed as it can save up to 16.4 kB or 73% of the original size.
Number of requests can be reduced by 28 (38%)
74
46
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 2 Itcn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.
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2itcn.com 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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
2itcn.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Browser errors were logged to the console
2itcn.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 2itcn.com 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 2itcn.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.
2itcn.com
Open Graph description is not detected on the main page of 2 Itcn. 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: