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Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

douwan.video

DouWan - Plug and play to screen mirror your Phone screen - 都玩投屏 - 即插即用的手机投屏录屏软件

Page Load Speed

3.3 sec in total

First Response

662 ms

Resources Loaded

2.6 sec

Page Rendered

58 ms

About Website

Welcome to douwan.video homepage info - get ready to check Dou Wan best content for India right away, or after learning these important things about douwan.video

DouWan allows you to cast your phone to the Windows PC via USB cable. The mobile device can be synchronised to the big screen instantaneously once you plug in the cable. Enjoy your video game and movi...

Visit douwan.video

Key Findings

We analyzed Douwan.video page load time and found that the first response time was 662 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

douwan.video performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

douwan.video

662 ms

douwan.video

869 ms

bootstrap.min.css

1067 ms

font-awesome.min.css

842 ms

commonNav.css

640 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Douwan.video and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Douwan.video.

Page Optimization Overview & Recommendations

Page size can be reduced by 151.5 kB (82%)

Content Size

185.0 kB

After Optimization

33.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Douwan.video main page is 185.0 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 5% of websites need less resources to load. CSS take 178.1 kB which makes up the majority of the site volume.

HTML Optimization

-49%

Potential reduce by 1.5 kB

  • Original 3.1 kB
  • After minification 3.1 kB
  • After compression 1.6 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 1.5 kB or 49% of the original size.

Image Optimization

-1%

Potential reduce by 22 B

  • Original 3.8 kB
  • After minification 3.8 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. Dou Wan images are well optimized though.

CSS Optimization

-84%

Potential reduce by 150.0 kB

  • Original 178.1 kB
  • After minification 177.4 kB
  • After compression 28.1 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. Douwan.video needs all CSS files to be minified and compressed as it can save up to 150.0 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dou Wan. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

douwan.video accessibility score

84

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.

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

douwan.video 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

High

Page has valid source maps

SEO Factors

douwan.video SEO score

92

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

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 Douwan.video 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 Douwan.video 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 Dou Wan. 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: