Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

duoniu.cn

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Page Load Speed

51.4 sec in total

First Response

17.7 sec

Resources Loaded

33.5 sec

Page Rendered

292 ms

duoniu.cn screenshot

About Website

Welcome to duoniu.cn homepage info - get ready to check Duoniu best content for China right away, or after learning these important things about duoniu.cn

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Key Findings

We analyzed Duoniu.cn page load time and found that the first response time was 17.7 sec and then it took 33.7 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 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

duoniu.cn performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

92/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

duoniu.cn

17657 ms

global.css

2926 ms

nav2013.css

2096 ms

jquery-1.2.6.min.js

12023 ms

dialogbox.js

3310 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 90% of them (60 requests) were addressed to the original Duoniu.cn, 7% (5 requests) were made to Bdimg.share.baidu.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (19.6 sec) belongs to the original domain Duoniu.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 306.9 kB (32%)

Content Size

973.0 kB

After Optimization

666.1 kB

In fact, the total size of Duoniu.cn main page is 973.0 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. 20% of websites need less resources to load. Images take 630.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 70.9 kB

  • Original 84.7 kB
  • After minification 60.8 kB
  • After compression 13.8 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 24.0 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 70.9 kB or 84% of the original size.

Image Optimization

-10%

Potential reduce by 66.2 kB

  • Original 630.8 kB
  • After minification 564.6 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. Duoniu images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 130.6 kB

  • Original 205.9 kB
  • After minification 192.0 kB
  • After compression 75.3 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 130.6 kB or 63% of the original size.

CSS Optimization

-76%

Potential reduce by 39.2 kB

  • Original 51.6 kB
  • After minification 46.0 kB
  • After compression 12.4 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. Duoniu.cn needs all CSS files to be minified and compressed as it can save up to 39.2 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (43%)

Requests Now

65

After Optimization

37

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duoniu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

duoniu.cn accessibility score

54

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.

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

duoniu.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

duoniu.cn SEO score

74

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Duoniu.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 Duoniu.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 Duoniu. 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: