Tools & Wizards About Us
dsjyj.com.cn screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 0

    SEO

dsjyj.com.cn

第四纪研究

Page Load Speed

2.7 sec in total

First Response

1.1 sec

Resources Loaded

1.5 sec

Page Rendered

128 ms

dsjyj.com.cn screenshot

About Website

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

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Key Findings

We analyzed Dsjyj.com.cn page load time and found that the first response time was 1.1 sec and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dsjyj.com.cn performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value39.9 s

0/100

25%

SI (Speed Index)

Value24.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,440 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.622

10/100

15%

TTI (Time to Interactive)

Value44.8 s

0/100

10%

Network Requests Diagram

dsjyj.com.cn

1078 ms

tomcat.gif

495 ms

asf-logo-wide.gif

291 ms

tomcat-power.gif

465 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Dsjyj.com.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Dsjyj.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.7 kB (73%)

Content Size

7.8 kB

After Optimization

2.1 kB

  • HTML

In fact, the total size of Dsjyj.com.cn main page is 7.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 7.8 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 5.7 kB

  • Original 7.8 kB
  • After minification 5.6 kB
  • After compression 2.1 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 2.2 kB, which is 28% 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 5.7 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dsjyj. According to our analytics all requests are already optimized.

Network Requests Diagram

dsjyj.com.cn

dsjyj.com.cn

1078 ms

tomcat.gif

tomcat.gif

495 ms

asf-logo-wide.gif

asf-logo-wide.gif

291 ms

tomcat-power.gif

tomcat-power.gif

465 ms

Accessibility Review

dsjyj.com.cn accessibility score

46

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.

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 IDs are not unique

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

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

dsjyj.com.cn best practices score

58

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

High

Page has valid source maps

SEO Factors

dsjyj.com.cn SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dsjyj.com.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 English language. Our system also found out that Dsjyj.com.cn main page’s claimed encoding is . 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

dsjyj.com.cn

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