Tools & Wizards About Us
v404.cn screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

v404.cn

澳门人·威尼斯(中国)官方网站

Page Load Speed

5.1 sec in total

First Response

1 sec

Resources Loaded

4 sec

Page Rendered

94 ms

v404.cn screenshot

About Website

Visit v404.cn now to see the best up-to-date V 404 content for China and also check out these interesting facts you probably never knew about v404.cn

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Visit v404.cn

Key Findings

We analyzed V404.cn page load time and found that the first response time was 1 sec and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

v404.cn performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.23

54/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

v404.cn

1007 ms

430 ms

guang.js

1535 ms

css.css

493 ms

jquery-1.8.2.min.js

1169 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 82% of them (9 requests) were addressed to the original V404.cn, 9% (1 request) were made to 1234jjs.cc and 9% (1 request) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source 1234jjs.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.6 kB (18%)

Content Size

141.1 kB

After Optimization

115.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of V404.cn main page is 141.1 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. Only 10% of websites need less resources to load. Images take 74.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 10.4 kB

  • Original 12.9 kB
  • After minification 11.6 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 10.4 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 4.1 kB

  • Original 74.6 kB
  • After minification 70.6 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. V 404 images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 9.8 kB

  • Original 49.9 kB
  • After minification 49.9 kB
  • After compression 40.1 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 9.8 kB or 20% of the original size.

CSS Optimization

-37%

Potential reduce by 1.3 kB

  • Original 3.6 kB
  • After minification 3.6 kB
  • After compression 2.3 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. V404.cn needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (33%)

Requests Now

9

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of V 404. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

v404.cn

v404.cn

1007 ms

430 ms

guang.js

guang.js

1535 ms

css.css

css.css

493 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

1169 ms

index.js

index.js

501 ms

1.css

1.css

507 ms

hm.js

hm.js

1150 ms

page_flip.png

page_flip.png

230 ms

subscribe.png

subscribe.png

686 ms

Ico_01.png

Ico_01.png

875 ms

Accessibility Review

v404.cn accessibility score

91

Accessibility Issues

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

Best Practices

v404.cn best practices score

83

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

SEO Factors

v404.cn SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise V404.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 V404.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

v404.cn

Open Graph description is not detected on the main page of V 404. 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: