Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

zwu.edu.cn

浙江万里学院

Page Load Speed

54.6 sec in total

First Response

4.6 sec

Resources Loaded

49.9 sec

Page Rendered

109 ms

zwu.edu.cn screenshot

About Website

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

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Visit zwu.edu.cn

Key Findings

We analyzed Zwu.edu.cn page load time and found that the first response time was 4.6 sec and then it took 50 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 23 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zwu.edu.cn performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

zwu.edu.cn

4629 ms

url_control.js

4619 ms

load_cache.js

3655 ms

login.js

5884 ms

zwu.edu.cn

3318 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Zwu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Zwu.edu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 438.2 kB (71%)

Content Size

613.5 kB

After Optimization

175.3 kB

In fact, the total size of Zwu.edu.cn main page is 613.5 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 5% of websites need less resources to load. Javascripts take 516.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.8 kB

  • Original 24.2 kB
  • After minification 22.0 kB
  • After compression 6.4 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 17.8 kB or 74% of the original size.

Image Optimization

-21%

Potential reduce by 5.2 kB

  • Original 24.0 kB
  • After minification 18.8 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. Obviously, Zwu needs image optimization as it can save up to 5.2 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 376.2 kB

  • Original 516.6 kB
  • After minification 515.5 kB
  • After compression 140.4 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 376.2 kB or 73% of the original size.

CSS Optimization

-80%

Potential reduce by 39.0 kB

  • Original 48.6 kB
  • After minification 48.5 kB
  • After compression 9.6 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. Zwu.edu.cn needs all CSS files to be minified and compressed as it can save up to 39.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (48%)

Requests Now

21

After Optimization

11

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zwu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zwu.edu.cn accessibility score

54

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

zwu.edu.cn best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zwu.edu.cn SEO score

67

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zwu.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 Zwu.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 Zwu. 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: