Tools & Wizards About Us
opz.cn screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

opz.cn

opz.cn - The domain is available for purchase

Page Load Speed

23.3 sec in total

First Response

761 ms

Resources Loaded

22.4 sec

Page Rendered

156 ms

opz.cn screenshot

About Website

Welcome to opz.cn homepage info - get ready to check Opz best content right away, or after learning these important things about opz.cn

Visit opz.cn

Key Findings

We analyzed Opz.cn page load time and found that the first response time was 761 ms and then it took 22.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

opz.cn performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.295

41/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

opz.cn

761 ms

jquery.js

8904 ms

backimg.jpg

9351 ms

contact_img.gif

12727 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 25% of them (1 request) were addressed to the original Opz.cn, 50% (2 requests) were made to 4.cn and 25% (1 request) were made to Libs.baidu.com. The less responsive or slowest element that took the longest time to load (12.7 sec) relates to the external source 4.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.9 kB (48%)

Content Size

90.9 kB

After Optimization

47.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Opz.cn main page is 90.9 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. Javascripts take 81.5 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 3.6 kB

  • Original 5.6 kB
  • After minification 4.7 kB
  • After compression 2.1 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 927 B, which is 17% 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 3.6 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 18 B

  • Original 3.8 kB
  • After minification 3.7 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. Opz images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 40.3 kB

  • Original 81.5 kB
  • After minification 81.5 kB
  • After compression 41.2 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 40.3 kB or 49% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • JavaScript

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opz. According to our analytics all requests are already optimized.

Network Requests Diagram

opz.cn

opz.cn

761 ms

jquery.js

jquery.js

8904 ms

backimg.jpg

backimg.jpg

9351 ms

contact_img.gif

contact_img.gif

12727 ms

Accessibility Review

opz.cn accessibility score

74

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

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

opz.cn best practices score

62

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

opz.cn SEO score

92

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opz.cn 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 Opz.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

opz.cn

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