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duokeduobi.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

duokeduobi.com

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Page Load Speed

6.3 sec in total

First Response

864 ms

Resources Loaded

5.3 sec

Page Rendered

113 ms

duokeduobi.com screenshot

About Website

Click here to check amazing Duokeduobi content. Otherwise, check out these important facts you probably never knew about duokeduobi.com

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Visit duokeduobi.com

Key Findings

We analyzed Duokeduobi.com page load time and found that the first response time was 864 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

duokeduobi.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

duokeduobi.com

864 ms

index.css

250 ms

flash.css

496 ms

flashbox.gif

1437 ms

7kindex.html

847 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 25% of them (5 requests) were addressed to the original Duokeduobi.com, 40% (8 requests) were made to W.uimg.cn and 20% (4 requests) were made to Rs.duokeduobi.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source W.uimg.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 47.9 kB (62%)

Content Size

77.6 kB

After Optimization

29.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duokeduobi.com main page is 77.6 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. 15% of websites need less resources to load. CSS take 26.9 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 4.3 kB

  • Original 6.7 kB
  • After minification 6.2 kB
  • After compression 2.5 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 4.3 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 36 B

  • Original 17.7 kB
  • After minification 17.6 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. Duokeduobi images are well optimized though.

JavaScript Optimization

-83%

Potential reduce by 21.8 kB

  • Original 26.4 kB
  • After minification 14.7 kB
  • After compression 4.5 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 21.8 kB or 83% of the original size.

CSS Optimization

-81%

Potential reduce by 21.7 kB

  • Original 26.9 kB
  • After minification 24.7 kB
  • After compression 5.1 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. Duokeduobi.com needs all CSS files to be minified and compressed as it can save up to 21.7 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duokeduobi. According to our analytics all requests are already optimized.

Network Requests Diagram

duokeduobi.com

duokeduobi.com

864 ms

index.css

index.css

250 ms

flash.css

flash.css

496 ms

flashbox.gif

flashbox.gif

1437 ms

7kindex.html

7kindex.html

847 ms

flashbg.gif

flashbg.gif

1442 ms

flash.css

flash.css

248 ms

sy.jpg

sy.jpg

1941 ms

center.jpg

center.jpg

1423 ms

luntan.jpg

luntan.jpg

1430 ms

zhanghu.jpg

zhanghu.jpg

1420 ms

weibo.jpg

weibo.jpg

1471 ms

dk.gif

dk.gif

1552 ms

h.js

h.js

806 ms

21.gif

21.gif

940 ms

hm.gif

hm.gif

827 ms

swfobject.js

swfobject.js

1846 ms

loading.gif

loading.gif

643 ms

foot_logo_1.jpg

foot_logo_1.jpg

1215 ms

get_flash_player.gif

get_flash_player.gif

1263 ms

Accessibility Review

duokeduobi.com accessibility score

60

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

duokeduobi.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

duokeduobi.com SEO score

90

Search Engine Optimization Advices

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 Duokeduobi.com 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 Duokeduobi.com 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

duokeduobi.com

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