Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 58

    SEO

    Google-friendlier than
    30% of websites

whu.edu.cn

武汉大学

Page Load Speed

5.7 sec in total

First Response

1.1 sec

Resources Loaded

4.6 sec

Page Rendered

93 ms

whu.edu.cn screenshot

About Website

Welcome to whu.edu.cn homepage info - get ready to check Whu best content for China right away, or after learning these important things about whu.edu.cn

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Key Findings

We analyzed Whu.edu.cn page load time and found that the first response time was 1.1 sec and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

whu.edu.cn performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value15.6 s

0/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

whu.edu.cn

1070 ms

login.css

522 ms

jquery.js

2647 ms

login.js

795 ms

MailL_Top_bg.gif

267 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Whu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Whu.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.6 kB (86%)

Content Size

240.4 kB

After Optimization

32.8 kB

In fact, the total size of Whu.edu.cn main page is 240.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 231.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 3.0 kB

  • Original 4.2 kB
  • After minification 2.8 kB
  • After compression 1.2 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. This page needs HTML code to be minified as it can gain 1.3 kB, which is 32% 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 3.0 kB or 72% of the original size.

Image Optimization

-8%

Potential reduce by 90 B

  • Original 1.1 kB
  • After minification 1.0 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. Whu images are well optimized though.

JavaScript Optimization

-87%

Potential reduce by 202.0 kB

  • Original 231.6 kB
  • After minification 103.8 kB
  • After compression 29.6 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 202.0 kB or 87% of the original size.

CSS Optimization

-70%

Potential reduce by 2.5 kB

  • Original 3.5 kB
  • After minification 3.0 kB
  • After compression 1.1 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. Whu.edu.cn needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Whu. According to our analytics all requests are already optimized.

Accessibility Review

whu.edu.cn accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

whu.edu.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

whu.edu.cn SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Whu.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 Whu.edu.cn main page’s claimed encoding is gbk. 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

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