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jsou.cn screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

jsou.cn

江苏开放大学

Page Load Speed

34.4 sec in total

First Response

6.2 sec

Resources Loaded

27.9 sec

Page Rendered

286 ms

jsou.cn screenshot

About Website

Click here to check amazing Jsou content for China. Otherwise, check out these important facts you probably never knew about jsou.cn

江苏开放大学是2012年由教育部批准成立的新型大学，面向社会所有学习者提供学历和非学历继续教育，以互联网为依托，采取线上学习为主、线下学习为辅的O2O教育模式。

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Key Findings

We analyzed Jsou.cn page load time and found that the first response time was 6.2 sec and then it took 28.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

jsou.cn performance score

0

Network Requests Diagram

jsou.cn

6197 ms

style.css

324 ms

jsou6.css

615 ms

css_ecnu.css

622 ms

jquery.selectbox.css

614 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 83% of them (33 requests) were addressed to the original Jsou.cn, 13% (5 requests) were made to Jscvc.cn and 5% (2 requests) were made to U.heatmap.it. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Jscvc.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.9 kB (72%)

Content Size

411.0 kB

After Optimization

117.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jsou.cn main page is 411.0 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. Javascripts take 202.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 37.0 kB

  • Original 42.7 kB
  • After minification 24.6 kB
  • After compression 5.7 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 18.1 kB, which is 42% 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 37.0 kB or 87% of the original size.

Image Optimization

-42%

Potential reduce by 30.1 kB

  • Original 71.9 kB
  • After minification 41.8 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, Jsou needs image optimization as it can save up to 30.1 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 143.2 kB

  • Original 202.2 kB
  • After minification 173.4 kB
  • After compression 59.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 143.2 kB or 71% of the original size.

CSS Optimization

-89%

Potential reduce by 83.6 kB

  • Original 94.2 kB
  • After minification 77.1 kB
  • After compression 10.6 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. Jsou.cn needs all CSS files to be minified and compressed as it can save up to 83.6 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (38%)

Requests Now

34

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsou. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jsou.cn

jsou.cn

6197 ms

style.css

style.css

324 ms

jsou6.css

jsou6.css

615 ms

css_ecnu.css

css_ecnu.css

622 ms

jquery.selectbox.css

jquery.selectbox.css

614 ms

foundation.css

foundation.css

630 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

965 ms

ga.js

ga.js

922 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

903 ms

jquery.selectbox-0.2.js

jquery.selectbox-0.2.js

904 ms

main.js

main.js

910 ms

urlParams.js

urlParams.js

911 ms

jquery.foundation.orbit.js

jquery.foundation.orbit.js

1203 ms

script.js

script.js

1194 ms

log.js

log.js

78 ms

%E6%8F%AD%E7%89%8C%E4%BB%AA%E5%BC%8F%E7%BD%91%E4%B8%8A%E5%AE%BF%E8%BF%81%E6%8A%A5%E9%81%93%E5%9B%BE%E7%89%87-1.jpg

%E6%8F%AD%E7%89%8C%E4%BB%AA%E5%BC%8F%E7%BD%91%E4%B8%8A%E5%AE%BF%E8%BF%81%E6%8A%A5%E9%81%93%E5%9B%BE%E7%89%87-1.jpg

20501 ms

logo.png

logo.png

587 ms

line2.png

line2.png

290 ms

navhoversubbg.gif

navhoversubbg.gif

291 ms

bg2.jpg

bg2.jpg

296 ms

blackopacity.png

blackopacity.png

294 ms

bg1.jpg

bg1.jpg

293 ms

model_bg1.png

model_bg1.png

590 ms

right1.png

right1.png

585 ms

right21.png

right21.png

587 ms

right31.png

right31.png

590 ms

right41.png

right41.png

590 ms

link00.png

link00.png

891 ms

link1.png

link1.png

890 ms

link2.png

link2.png

891 ms

link3.png

link3.png

892 ms

link4.png

link4.png

892 ms

link5.png

link5.png

892 ms

footer.png

footer.png

1164 ms

IMG_3067-1-1.jpg

IMG_3067-1-1.jpg

20485 ms

IMG_3052-1-1.jpg

IMG_3052-1-1.jpg

20485 ms

IMG_1177-2.jpg

IMG_1177-2.jpg

20486 ms

%E6%8F%AD%E7%89%8C%E4%BB%AA%E5%BC%8F%E7%BD%91%E4%B8%8A%E5%AE%BF%E8%BF%81%E6%8A%A5%E9%81%93%E5%9B%BE%E7%89%87(2).jpg

%E6%8F%AD%E7%89%8C%E4%BB%AA%E5%BC%8F%E7%BD%91%E4%B8%8A%E5%AE%BF%E8%BF%81%E6%8A%A5%E9%81%93%E5%9B%BE%E7%89%87(2).jpg

20485 ms

jsou.cn.js

jsou.cn.js

203 ms

sprite1.png

sprite1.png

1076 ms

SEO Factors

jsou.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 Jsou.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 Jsou.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

jsou.cn

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