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duboku.cc screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

Page Load Speed

1.2 sec in total

First Response

58 ms

Resources Loaded

703 ms

Page Rendered

390 ms

duboku.cc screenshot

About Website

Click here to check amazing Duboku content for United States. Otherwise, check out these important facts you probably never knew about duboku.cc

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Key Findings

We analyzed Duboku.cc page load time and found that the first response time was 58 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

duboku.cc performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.137

79/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

duboku.cc

58 ms

base.css

15 ms

jquery.min.js

44 ms

cse.js

221 ms

jquery.cookie.js

35 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 18% of them (7 requests) were addressed to the original Duboku.cc, 56% (22 requests) were made to Bigdramas.img-ix.net and 15% (6 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (484 ms) relates to the external source Bigdramas.img-ix.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 206.9 kB (18%)

Content Size

1.2 MB

After Optimization

954.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duboku.cc main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 893.8 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 21.2 kB

  • Original 29.1 kB
  • After minification 27.7 kB
  • After compression 7.9 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 21.2 kB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 61.6 kB

  • Original 893.8 kB
  • After minification 832.2 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. Duboku images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 67.2 kB

  • Original 169.6 kB
  • After minification 168.2 kB
  • After compression 102.4 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 67.2 kB or 40% of the original size.

CSS Optimization

-82%

Potential reduce by 57.0 kB

  • Original 69.2 kB
  • After minification 56.2 kB
  • After compression 12.2 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. Duboku.cc needs all CSS files to be minified and compressed as it can save up to 57.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (16%)

Requests Now

38

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duboku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

duboku.cc

duboku.cc

58 ms

base.css

base.css

15 ms

jquery.min.js

jquery.min.js

44 ms

cse.js

cse.js

221 ms

jquery.cookie.js

jquery.cookie.js

35 ms

history.min.js

history.min.js

102 ms

counter.js

counter.js

229 ms

cn201009.jpg

cn201009.jpg

439 ms

cn200927.jpg

cn200927.jpg

442 ms

cn201009b.jpg

cn201009b.jpg

448 ms

cn201029.jpg

cn201029.jpg

453 ms

cn201021b.jpg

cn201021b.jpg

454 ms

cn201023.jpg

cn201023.jpg

454 ms

cn201017.jpg

cn201017.jpg

450 ms

cn201006.jpg

cn201006.jpg

471 ms

cn201009c.jpg

cn201009c.jpg

467 ms

cn201022b.jpg

cn201022b.jpg

467 ms

hk201012.jpg

hk201012.jpg

473 ms

cn200910.jpg

cn200910.jpg

472 ms

100131.jpg

100131.jpg

471 ms

100130.jpg

100130.jpg

474 ms

100129.jpg

100129.jpg

480 ms

100092.jpg

100092.jpg

476 ms

100091.jpg

100091.jpg

475 ms

100080.jpg

100080.jpg

477 ms

100079.jpg

100079.jpg

478 ms

100067.jpg

100067.jpg

484 ms

100015.jpg

100015.jpg

483 ms

100014.jpg

100014.jpg

484 ms

logo.png

logo.png

153 ms

play-icon.png

play-icon.png

127 ms

cse_element__zh_cn.js

cse_element__zh_cn.js

52 ms

default+zh_CN.css

default+zh_CN.css

194 ms

default.css

default.css

202 ms

t.php

t.php

218 ms

async-ads.js

async-ads.js

118 ms

branding.png

branding.png

55 ms

clear.png

clear.png

66 ms

nav_logo114.png

nav_logo114.png

43 ms

Accessibility Review

duboku.cc accessibility score

62

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.

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

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

duboku.cc 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

duboku.cc SEO score

91

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

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 Duboku.cc 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 Duboku.cc 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

duboku.cc

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