Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

qudns.cn

大发体育_平台官网

Page Load Speed

7.6 sec in total

First Response

1.4 sec

Resources Loaded

6.1 sec

Page Rendered

94 ms

qudns.cn screenshot

About Website

Click here to check amazing Qudns content. Otherwise, check out these important facts you probably never knew about qudns.cn

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Visit qudns.cn

Key Findings

We analyzed Qudns.cn page load time and found that the first response time was 1.4 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster. This domain responded with an error, which can significantly jeopardize Qudns.cn rating and web reputation

Performance Metrics

qudns.cn performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

qudns.cn

1412 ms

TB1TpamHpXXXXaJXXXXeB7nYVXX-104-162.png

100 ms

TB19QieHpXXXXauXFXXXia39XXX-660-120.png

2115 ms

aplus_v2.js

295 ms

agp_heat.min.js

1809 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Qudns.cn, 17% (1 request) were made to Gtms04.alicdn.com and 17% (1 request) were made to Gtms02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Log.mmstat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.5 kB (36%)

Content Size

26.7 kB

After Optimization

17.2 kB

In fact, the total size of Qudns.cn main page is 26.7 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 13.3 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 1.1 kB

  • Original 2.0 kB
  • After minification 1.6 kB
  • After compression 895 B

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 352 B, which is 18% 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 1.1 kB or 55% of the original size.

Image Optimization

-14%

Potential reduce by 1.6 kB

  • Original 11.5 kB
  • After minification 9.9 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, Qudns needs image optimization as it can save up to 1.6 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 6.8 kB

  • Original 13.3 kB
  • After minification 13.3 kB
  • After compression 6.5 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 6.8 kB or 51% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qudns. According to our analytics all requests are already optimized.

Accessibility Review

qudns.cn accessibility score

62

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

Best Practices

qudns.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

SEO Factors

qudns.cn SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Qudns.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Qudns.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 Qudns. 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: