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622u.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

622u.com

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Page Load Speed

1.6 sec in total

First Response

252 ms

Resources Loaded

1.2 sec

Page Rendered

116 ms

622u.com screenshot

About Website

Visit 622u.com now to see the best up-to-date 622 U content and also check out these interesting facts you probably never knew about 622u.com

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Key Findings

We analyzed 622u.com page load time and found that the first response time was 252 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

622u.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

59/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

index.html

252 ms

top.css

177 ms

index.css

121 ms

tj.js

461 ms

topbanner.js

126 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 95% of them (19 requests) were addressed to the original 622u.com, 5% (1 request) were made to Hfhhk.com. The less responsive or slowest element that took the longest time to load (461 ms) relates to the external source Hfhhk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.9 kB (74%)

Content Size

25.7 kB

After Optimization

6.8 kB

  • HTML
  • CSS

In fact, the total size of 622u.com main page is 25.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 19.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 14.2 kB

  • Original 19.1 kB
  • After minification 18.5 kB
  • After compression 4.9 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 14.2 kB or 74% of the original size.

CSS Optimization

-72%

Potential reduce by 4.8 kB

  • Original 6.6 kB
  • After minification 6.0 kB
  • After compression 1.9 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. 622u.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (65%)

Requests Now

17

After Optimization

6

  • Images
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 622 U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

index.html

index.html

252 ms

top.css

top.css

177 ms

index.css

index.css

121 ms

tj.js

tj.js

461 ms

topbanner.js

topbanner.js

126 ms

logo.gif

logo.gif

66 ms

nav_r_side.gif

nav_r_side.gif

61 ms

tit_icon.gif

tit_icon.gif

63 ms

index_search_btn.gif

index_search_btn.gif

64 ms

ico_more.gif

ico_more.gif

119 ms

foot_l_side.gif

foot_l_side.gif

119 ms

foot_r_side.gif

foot_r_side.gif

120 ms

nav_bg.gif

nav_bg.gif

115 ms

nav_index.gif

nav_index.gif

116 ms

index_wp_bg.gif

index_wp_bg.gif

116 ms

tit_bot_line.gif

tit_bot_line.gif

159 ms

index_search_bg.gif

index_search_bg.gif

133 ms

index_search_icon.gif

index_search_icon.gif

134 ms

index_midr_bg.gif

index_midr_bg.gif

141 ms

foot_c.gif

foot_c.gif

141 ms

Accessibility Review

622u.com accessibility score

95

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

622u.com 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

High

Page has valid source maps

SEO Factors

622u.com SEO score

100

Search Engine Optimization Advices

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

    JA

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 622u.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 622u.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

622u.com

Open Graph description is not detected on the main page of 622 U. 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: