Tools & Wizards About Us

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

duoluodeyu.com

堕落的鱼 | 我收集的，也是你需要的

Page Load Speed

21.2 sec in total

First Response

3.3 sec

Resources Loaded

17.3 sec

Page Rendered

685 ms

About Website

Click here to check amazing Duoluodeyu content for China. Otherwise, check out these important facts you probably never knew about duoluodeyu.com

堕落的鱼,是一个专注于电脑技术、网站架设、搜索引擎、互联网、智能卡等行业的原创IT技术博客,希望你能在本站得到你所需要的信息。作者堕落的鱼

Visit duoluodeyu.com

Key Findings

We analyzed Duoluodeyu.com page load time and found that the first response time was 3.3 sec and then it took 18 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.

Performance Metrics

duoluodeyu.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.352

31/100

15%

TTI (Time to Interactive)

Value10.7 s

23/100

10%

Network Requests Diagram

duoluodeyu.com

3284 ms

www.duoluodeyu.com

1277 ms

adsbygoogle.js

32 ms

style.css

2975 ms

css.css

2519 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 16% of them (13 requests) were addressed to the original Duoluodeyu.com, 21% (17 requests) were made to Res.duoluodeyu.com and 10% (8 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (5.7 sec) relates to the external source Res.duoluodeyu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 366.0 kB (41%)

Content Size

889.1 kB

After Optimization

523.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duoluodeyu.com main page is 889.1 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. 55% of websites need less resources to load. Javascripts take 447.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 48.2 kB

  • Original 61.2 kB
  • After minification 58.7 kB
  • After compression 13.1 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. 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 48.2 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 10.0 kB

  • Original 260.8 kB
  • After minification 250.8 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. Duoluodeyu images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 207.6 kB

  • Original 447.0 kB
  • After minification 444.5 kB
  • After compression 239.5 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 207.6 kB or 46% of the original size.

CSS Optimization

-84%

Potential reduce by 100.3 kB

  • Original 120.1 kB
  • After minification 91.7 kB
  • After compression 19.8 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. Duoluodeyu.com needs all CSS files to be minified and compressed as it can save up to 100.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (58%)

Requests Now

73

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duoluodeyu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

duoluodeyu.com accessibility score

66

Accessibility Issues

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-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

duoluodeyu.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

duoluodeyu.com SEO score

88

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

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duoluodeyu.com 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 Duoluodeyu.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

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