Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

web.suda.edu.cn

苏州大学教师个人主页

Page Load Speed

15.8 sec in total

First Response

2 sec

Resources Loaded

13.5 sec

Page Rendered

322 ms

web.suda.edu.cn screenshot

About Website

Click here to check amazing Web Suda content for China. Otherwise, check out these important facts you probably never knew about web.suda.edu.cn

苏州大学教师个人主页

Visit web.suda.edu.cn

Key Findings

We analyzed Web.suda.edu.cn page load time and found that the first response time was 2 sec and then it took 13.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

web.suda.edu.cn performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value2,600 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.502

16/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

web.suda.edu.cn

2045 ms

Default.aspx

311 ms

localStorage.min.js

285 ms

load.js

563 ms

layer.css

2602 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that all of those requests were addressed to Web.suda.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Web.suda.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 173.6 kB (70%)

Content Size

248.2 kB

After Optimization

74.6 kB

In fact, the total size of Web.suda.edu.cn main page is 248.2 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. 20% of websites need less resources to load. HTML takes 240.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 168.9 kB

  • Original 240.7 kB
  • After minification 224.9 kB
  • After compression 71.8 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. 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 168.9 kB or 70% of the original size.

JavaScript Optimization

-53%

Potential reduce by 1.8 kB

  • Original 3.5 kB
  • After minification 3.1 kB
  • After compression 1.6 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 1.8 kB or 53% of the original size.

CSS Optimization

-70%

Potential reduce by 2.8 kB

  • Original 4.0 kB
  • After minification 4.0 kB
  • After compression 1.2 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. Web.suda.edu.cn needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Web Suda. According to our analytics all requests are already optimized.

Accessibility Review

web.suda.edu.cn accessibility score

56

Accessibility Issues

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

web.suda.edu.cn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

web.suda.edu.cn SEO score

83

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

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

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

High

Document uses legible font sizes

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 Web.suda.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 Web.suda.edu.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

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