Tools & Wizards About Us
csru.csu.edu.cn screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 0

    Best Practices

  • 58

    SEO

    Google-friendlier than
    20% of websites

csru.csu.edu.cn

中南大学铁道学院

Page Load Speed

11.9 sec in total

First Response

3.4 sec

Resources Loaded

8.3 sec

Page Rendered

127 ms

csru.csu.edu.cn screenshot

About Website

Click here to check amazing Csru Csu content for China. Otherwise, check out these important facts you probably never knew about csru.csu.edu.cn

Visit csru.csu.edu.cn

Key Findings

We analyzed Csru.csu.edu.cn page load time and found that the first response time was 3.4 sec and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

csru.csu.edu.cn performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

csru.csu.edu.cn

3409 ms

main.css

518 ms

top.htm

799 ms

flash_1.js

528 ms

index.js

773 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 97% of them (28 requests) were addressed to the original Csru.csu.edu.cn, 3% (1 request) were made to Lib.sinaapp.com. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source Lib.sinaapp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.4 kB (28%)

Content Size

79.5 kB

After Optimization

57.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csru.csu.edu.cn main page is 79.5 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 42.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.8 kB

  • Original 19.7 kB
  • After minification 17.4 kB
  • After compression 4.9 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 2.2 kB, which is 11% 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 14.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 16.6 kB
  • After minification 16.6 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. Csru Csu images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 6.9 kB

  • Original 42.2 kB
  • After minification 42.2 kB
  • After compression 35.3 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 6.9 kB or 16% of the original size.

CSS Optimization

-66%

Potential reduce by 709 B

  • Original 1.1 kB
  • After minification 921 B
  • After compression 359 B

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. Csru.csu.edu.cn needs all CSS files to be minified and compressed as it can save up to 709 B or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (39%)

Requests Now

28

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csru Csu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

csru.csu.edu.cn

csru.csu.edu.cn

3409 ms

main.css

main.css

518 ms

top.htm

top.htm

799 ms

flash_1.js

flash_1.js

528 ms

index.js

index.js

773 ms

index_02_02_02_01.gif

index_02_02_02_01.gif

531 ms

index.js

index.js

516 ms

index.js

index.js

525 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

5149 ms

index_02_02_04_03.gif

index_02_02_04_03.gif

281 ms

xysy.jpg

xysy.jpg

283 ms

xydt.jpg

xydt.jpg

507 ms

bgdh.jpg

bgdh.jpg

513 ms

xl.jpg

xl.jpg

515 ms

bgxz.jpg

bgxz.jpg

773 ms

index_02_04_02.gif

index_02_04_02.gif

515 ms

index_02_04_06.gif

index_02_04_06.gif

519 ms

index_02_02_04_01.gif

index_02_02_04_01.gif

753 ms

index_02_02_04back.gif

index_02_02_04back.gif

758 ms

index_02_04_04_01.gif

index_02_04_04_01.gif

516 ms

index_02_04_04_02back.gif

index_02_04_04_02back.gif

516 ms

index_02_04_04_03.gif

index_02_04_04_03.gif

502 ms

index_02_04_08back.gif

index_02_04_08back.gif

747 ms

index_02_04_08list.gif

index_02_04_08list.gif

752 ms

index_02_04_09back.gif

index_02_04_09back.gif

754 ms

index_01_01.gif

index_01_01.gif

1267 ms

index_01_02back.gif

index_01_02back.gif

753 ms

index_01_02back2.gif

index_01_02back2.gif

755 ms

index_01_02back3.gif

index_01_02back3.gif

1001 ms

Accessibility Review

csru.csu.edu.cn accessibility score

51

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

SEO Factors

csru.csu.edu.cn SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csru.csu.edu.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 Csru.csu.edu.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

csru.csu.edu.cn

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