Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

Page Load Speed

38.8 sec in total

First Response

7.6 sec

Resources Loaded

30.9 sec

Page Rendered

336 ms

cxy.njust.edu.cn screenshot

About Website

Visit cxy.njust.edu.cn now to see the best up-to-date Cxy Njust content for China and also check out these interesting facts you probably never knew about cxy.njust.edu.cn

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Key Findings

We analyzed Cxy.njust.edu.cn page load time and found that the first response time was 7.6 sec and then it took 31.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 7 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cxy.njust.edu.cn performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

cxy.njust.edu.cn

7583 ms

system.css

643 ms

dtjt9.css

643 ms

system.css

640 ms

default.css

918 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 89% of them (56 requests) were addressed to the original Cxy.njust.edu.cn, 11% (7 requests) were made to 0. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source .

Page Optimization Overview & Recommendations

Page size can be reduced by 285.2 kB (27%)

Content Size

1.1 MB

After Optimization

769.1 kB

In fact, the total size of Cxy.njust.edu.cn main page is 1.1 MB. 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. Images take 741.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 81.0 kB

  • Original 91.5 kB
  • After minification 76.6 kB
  • After compression 10.6 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 15.0 kB, which is 16% 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 81.0 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 32.7 kB

  • Original 741.4 kB
  • After minification 708.8 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. Cxy Njust images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 85.3 kB

  • Original 123.9 kB
  • After minification 112.4 kB
  • After compression 38.6 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 85.3 kB or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 86.3 kB

  • Original 97.4 kB
  • After minification 83.1 kB
  • After compression 11.1 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. Cxy.njust.edu.cn needs all CSS files to be minified and compressed as it can save up to 86.3 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (25%)

Requests Now

53

After Optimization

40

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cxy Njust. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cxy.njust.edu.cn accessibility score

50

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

cxy.njust.edu.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cxy.njust.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

    N/A

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cxy.njust.edu.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Cxy.njust.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

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