Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

dirs.cn

Dirs Tools - 互联网工具平台

Page Load Speed

29.4 sec in total

First Response

3.2 sec

Resources Loaded

26.1 sec

Page Rendered

152 ms

dirs.cn screenshot

About Website

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

20年来,Dirs为网友免费提供专业的各种互联网工具

Visit dirs.cn

Key Findings

We analyzed Dirs.cn page load time and found that the first response time was 3.2 sec and then it took 26.2 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

dirs.cn performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

dirs.cn

3204 ms

style.css

1156 ms

prototype.js

19650 ms

QueryForm.js

986 ms

ga.js

48 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 75% of them (6 requests) were addressed to the original Dirs.cn, 25% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Dirs.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.6 kB (49%)

Content Size

44.0 kB

After Optimization

22.4 kB

In fact, the total size of Dirs.cn main page is 44.0 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. Only 10% of websites need less resources to load. Javascripts take 18.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 15.1 kB

  • Original 18.2 kB
  • After minification 13.2 kB
  • After compression 3.1 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. This page needs HTML code to be minified as it can gain 5.0 kB, which is 27% 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 15.1 kB or 83% of the original size.

JavaScript Optimization

-4%

Potential reduce by 809 B

  • Original 18.4 kB
  • After minification 17.9 kB
  • After compression 17.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-77%

Potential reduce by 5.7 kB

  • Original 7.4 kB
  • After minification 6.3 kB
  • After compression 1.7 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. Dirs.cn needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dirs. According to our analytics all requests are already optimized.

Accessibility Review

dirs.cn accessibility score

40

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

[id] attributes on active, focusable elements are not unique

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

High

Links do not have a discernible name

Best Practices

dirs.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

dirs.cn SEO score

67

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

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 Dirs.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 Dirs.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 Dirs. 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: