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cstnet.cn screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cstnet.cn

中国科技网

Page Load Speed

6 sec in total

First Response

813 ms

Resources Loaded

5 sec

Page Rendered

207 ms

cstnet.cn screenshot

About Website

Visit cstnet.cn now to see the best up-to-date Cstnet content for China and also check out these interesting facts you probably never knew about cstnet.cn

中国科技网是中国科学院领导下的学术性、非盈利的科研计算机网络。1994年全功能接入互联网，早期四大互联网骨干网之一，全程助力科研信息化发展，20年来与中国互联网事业共成长。

Visit cstnet.cn

Key Findings

We analyzed Cstnet.cn page load time and found that the first response time was 813 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

cstnet.cn performance score

0

Network Requests Diagram

cstnet.cn

813 ms

bootstrap.min.css

512 ms

bootstrap-theme.min.css

475 ms

css.css

482 ms

jquery-1.11.1.min.js

1288 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 96% of them (25 requests) were addressed to the original Cstnet.cn, 4% (1 request) were made to Passport.escience.cn. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Passport.escience.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 176.1 kB (32%)

Content Size

550.0 kB

After Optimization

373.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cstnet.cn main page is 550.0 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. 25% of websites need less resources to load. Images take 389.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 15.4 kB

  • Original 20.6 kB
  • After minification 18.6 kB
  • After compression 5.2 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 15.4 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 44.9 kB

  • Original 389.9 kB
  • After minification 345.1 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, Cstnet needs image optimization as it can save up to 44.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 1.1 kB

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 769 B

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 1.1 kB or 60% of the original size.

CSS Optimization

-83%

Potential reduce by 114.8 kB

  • Original 137.6 kB
  • After minification 132.4 kB
  • After compression 22.8 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. Cstnet.cn needs all CSS files to be minified and compressed as it can save up to 114.8 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

24

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cstnet. According to our analytics all requests are already optimized.

Network Requests Diagram

cstnet.cn

cstnet.cn

813 ms

bootstrap.min.css

bootstrap.min.css

512 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

475 ms

css.css

css.css

482 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1288 ms

bootstrap.min.js

bootstrap.min.js

782 ms

logo.png

logo.png

256 ms

introduce.png

introduce.png

523 ms

link1.png

link1.png

261 ms

link3.png

link3.png

240 ms

link2.png

link2.png

242 ms

cstnet.png

cstnet.png

2111 ms

icon-access.png

icon-access.png

467 ms

icon-internet.png

icon-internet.png

494 ms

icon-passID.png

icon-passID.png

502 ms

icon-address-book.png

icon-address-book.png

500 ms

icon-serviceplatform.png

icon-serviceplatform.png

706 ms

icon-email.png

icon-email.png

746 ms

icon-kexin.png

icon-kexin.png

749 ms

icon-document.png

icon-document.png

760 ms

icon-videoconference.png

icon-videoconference.png

767 ms

icon-tableconference.png

icon-tableconference.png

944 ms

newli.png

newli.png

1001 ms

isLogin.do

isLogin.do

2821 ms

getip.svl

getip.svl

954 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

973 ms

SEO Factors

cstnet.cn SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cstnet.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 Cstnet.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.

Social Sharing Optimization

cstnet.cn

Open Graph description is not detected on the main page of Cstnet. 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: