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oenhan.com screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

oenhan.com

OenHan - a Linux kernel virtualization developer, the contributor to KVM/Xen community, expert in VT-x, VT-d and X86 architecture, familiar with kerne...

Page Load Speed

6.4 sec in total

First Response

54 ms

Resources Loaded

6.2 sec

Page Rendered

175 ms

oenhan.com screenshot

About Website

Welcome to oenhan.com homepage info - get ready to check Oen Han best content for China right away, or after learning these important things about oenhan.com

OenHan, a Linux kernel virtualization developer, the contributor to KVM/Xen community, expert in VT-x, VT-d and X86 architecture, familiar with kernel development in KVM, XEN, Filesystem, IO storage, ...

Visit oenhan.com

Key Findings

We analyzed Oenhan.com page load time and found that the first response time was 54 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

oenhan.com performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value5.2 s

61/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

oenhan.com

54 ms

oenhan.com

1204 ms

style.min.css

949 ms

screen.min.css

899 ms

style.css

982 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 89% of them (16 requests) were addressed to the original Oenhan.com, 6% (1 request) were made to Static.cloudflareinsights.com and 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Oenhan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.9 kB (35%)

Content Size

161.8 kB

After Optimization

105.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oenhan.com main page is 161.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 68.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 55.0 kB

  • Original 68.5 kB
  • After minification 68.5 kB
  • After compression 13.5 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 55.0 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 983 B
  • After minification 983 B

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. Oen Han images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 56.6 kB
  • After minification 56.6 kB
  • After compression 56.6 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

-2%

Potential reduce by 812 B

  • Original 35.6 kB
  • After minification 35.6 kB
  • After compression 34.8 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. Oenhan.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (80%)

Requests Now

15

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oen Han. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

oenhan.com

oenhan.com

54 ms

oenhan.com

oenhan.com

1204 ms

style.min.css

style.min.css

949 ms

screen.min.css

screen.min.css

899 ms

style.css

style.css

982 ms

responsive.css

responsive.css

1862 ms

enlighterjs.min.css

enlighterjs.min.css

912 ms

jquery.min.js

jquery.min.js

1165 ms

jquery-migrate.min.js

jquery-migrate.min.js

2854 ms

front.min.js

front.min.js

2841 ms

main.js

main.js

3851 ms

ajax-comment.js

ajax-comment.js

3876 ms

enlighterjs.min.js

enlighterjs.min.js

3947 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

72 ms

js

js

65 ms

00bb4478bc8a2c50e870dc7182b24712.png

00bb4478bc8a2c50e870dc7182b24712.png

3863 ms

simple.woff

simple.woff

2923 ms

main.js

main.js

8 ms

Accessibility Review

oenhan.com accessibility score

78

Accessibility Issues

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

Buttons do not have an accessible name

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

Heading elements are not in a sequentially-descending order

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

oenhan.com best practices score

83

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oenhan.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

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oenhan.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Oenhan.com 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

oenhan.com

Open Graph description is not detected on the main page of Oen Han. 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: