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h2ofloss.cn screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

h2ofloss.cn

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Page Load Speed

14.2 sec in total

First Response

1.3 sec

Resources Loaded

12.7 sec

Page Rendered

194 ms

h2ofloss.cn screenshot

About Website

Visit h2ofloss.cn now to see the best up-to-date H 2 Ofloss content and also check out these interesting facts you probably never knew about h2ofloss.cn

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Key Findings

We analyzed H2ofloss.cn page load time and found that the first response time was 1.3 sec and then it took 12.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

h2ofloss.cn performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.914

3/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

h2ofloss.cn

1299 ms

jquery.js

2564 ms

style.css

1736 ms

stencil.css

2110 ms

9135265.js

861 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 13% of them (1 request) were addressed to the original H2ofloss.cn, 50% (4 requests) were made to 4.cn and 13% (1 request) were made to Libs.baidu.com. The less responsive or slowest element that took the longest time to load (8.8 sec) relates to the external source 4.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.0 kB (46%)

Content Size

112.7 kB

After Optimization

60.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of H2ofloss.cn main page is 112.7 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 83.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 4.7 kB

  • Original 6.7 kB
  • After minification 5.0 kB
  • After compression 2.0 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 1.7 kB, which is 26% 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 4.7 kB or 70% of the original size.

Image Optimization

-1%

Potential reduce by 19 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. H 2 Ofloss images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 41.5 kB

  • Original 83.5 kB
  • After minification 83.5 kB
  • After compression 42.0 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 41.5 kB or 50% of the original size.

CSS Optimization

-30%

Potential reduce by 5.7 kB

  • Original 18.8 kB
  • After minification 18.8 kB
  • After compression 13.0 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. H2ofloss.cn needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 30% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of H 2 Ofloss. According to our analytics all requests are already optimized.

Network Requests Diagram

h2ofloss.cn

h2ofloss.cn

1299 ms

jquery.js

jquery.js

2564 ms

style.css

style.css

1736 ms

stencil.css

stencil.css

2110 ms

9135265.js

9135265.js

861 ms

tips-bg.jpg

tips-bg.jpg

372 ms

g-banner.jpg

g-banner.jpg

8771 ms

icon_9.gif

icon_9.gif

530 ms

Accessibility Review

h2ofloss.cn accessibility score

64

Accessibility Issues

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

Document doesn't have a <title> element

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

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

h2ofloss.cn best practices score

58

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

Browser errors were logged to the console

SEO Factors

h2ofloss.cn SEO score

75

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

Document doesn't have a <title> element

High

Links do not have descriptive text

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise H2ofloss.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that H2ofloss.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

h2ofloss.cn

Open Graph description is not detected on the main page of H 2 Ofloss. 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: