12.1 sec in total
815 ms
11.2 sec
96 ms
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Visit so.csdn.netWe analyzed So.csdn.net page load time and found that the first response time was 815 ms and then it took 11.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
so.csdn.net performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value6.5 s
9/100
25%
Value7.2 s
30/100
10%
Value100 ms
98/100
30%
Value0
100/100
15%
Value6.0 s
65/100
10%
815 ms
263 ms
8109 ms
257 ms
7083 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 29% of them (8 requests) were addressed to the original So.csdn.net, 46% (13 requests) were made to Csdnimg.cn and 21% (6 requests) were made to C.csdnimg.cn. The less responsive or slowest element that took the longest time to load (8.1 sec) relates to the external source C.csdnimg.cn.
Page size can be reduced by 167.8 kB (69%)
245.0 kB
77.1 kB
In fact, the total size of So.csdn.net main page is 245.0 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. Only 10% of websites need less resources to load. Javascripts take 179.9 kB which makes up the majority of the site volume.
Potential reduce by 15.8 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 3.6 kB, which is 17% 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 15.8 kB or 77% of the original size.
Potential reduce by 1.6 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. So Csdn images are well optimized though.
Potential reduce by 126.7 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 126.7 kB or 70% of the original size.
Potential reduce by 23.7 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. So.csdn.net needs all CSS files to be minified and compressed as it can save up to 23.7 kB or 83% of the original size.
Number of requests can be reduced by 11 (44%)
25
14
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of So Csdn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
so.csdn.net
815 ms
263 ms
index.css
8109 ms
main.css
257 ms
jquery-1.9.1.min.js
7083 ms
popup.js
506 ms
jsonp.js
509 ms
html.js
7165 ms
publib_footer.js
5694 ms
toolbar.js
7946 ms
search.png
256 ms
main.js
594 ms
100x100.jpg
860 ms
new.gif
353 ms
f_icon.png
1145 ms
f_name.png
256 ms
search_bg.gif
498 ms
pub_footer_2014.css
366 ms
notify.js
1056 ms
tracking.js
1138 ms
main.js
875 ms
gongshang_logos.gif
1113 ms
qq_icon.png
1084 ms
weibo_icon.png
874 ms
mail_icon.png
1399 ms
phone_icon.png
1113 ms
style.css
413 ms
track
857 ms
so.csdn.net accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
so.csdn.net 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
so.csdn.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise So.csdn.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that So.csdn.net 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.
so.csdn.net
Open Graph description is not detected on the main page of So Csdn. 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: