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es.bnuz.edu.cn screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

es.bnuz.edu.cn

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Page Load Speed

29 sec in total

First Response

2.6 sec

Resources Loaded

26.3 sec

Page Rendered

227 ms

es.bnuz.edu.cn screenshot

About Website

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

站点介绍

Visit es.bnuz.edu.cn

Key Findings

We analyzed Es.bnuz.edu.cn page load time and found that the first response time was 2.6 sec and then it took 26.5 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

es.bnuz.edu.cn performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

es.bnuz.edu.cn

2561 ms

jw.css

452 ms

jw.css

891 ms

WebResource.axd

13049 ms

base.css

853 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Es.bnuz.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (19.8 sec) belongs to the original domain Es.bnuz.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.2 kB (49%)

Content Size

154.8 kB

After Optimization

79.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Es.bnuz.edu.cn main page is 154.8 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. Images take 77.6 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 4.0 kB

  • Original 6.7 kB
  • After minification 5.9 kB
  • After compression 2.6 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 776 B, which is 12% 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 4.0 kB or 61% of the original size.

Image Optimization

-17%

Potential reduce by 12.9 kB

  • Original 77.6 kB
  • After minification 64.7 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, Es Bnuz needs image optimization as it can save up to 12.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 17.3 kB

  • Original 20.8 kB
  • After minification 14.8 kB
  • After compression 3.5 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 17.3 kB or 83% of the original size.

CSS Optimization

-83%

Potential reduce by 41.0 kB

  • Original 49.7 kB
  • After minification 34.8 kB
  • After compression 8.7 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. Es.bnuz.edu.cn needs all CSS files to be minified and compressed as it can save up to 41.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (50%)

Requests Now

18

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Es Bnuz. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

es.bnuz.edu.cn

es.bnuz.edu.cn

2561 ms

jw.css

jw.css

452 ms

jw.css

jw.css

891 ms

WebResource.axd

WebResource.axd

13049 ms

base.css

base.css

853 ms

module.css

module.css

896 ms

forms.css

forms.css

1013 ms

page.css

page.css

3122 ms

base.css

base.css

825 ms

module.css

module.css

3029 ms

forms.css

forms.css

1057 ms

page.css

page.css

1114 ms

login_bg.jpg

login_bg.jpg

444 ms

login_jw.png

login_jw.png

1840 ms

login_pic.png

login_pic.png

19773 ms

login_zf.jpg

login_zf.jpg

1681 ms

login_left.jpg

login_left.jpg

460 ms

login_right.jpg

login_right.jpg

1072 ms

login_ico.gif

login_ico.gif

530 ms

zf_login.png

zf_login.png

1036 ms

Accessibility Review

es.bnuz.edu.cn accessibility score

70

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

es.bnuz.edu.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

es.bnuz.edu.cn SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    GB

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Es.bnuz.edu.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed language. Our system also found out that Es.bnuz.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

es.bnuz.edu.cn

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