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czzs.com screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

czzs.com

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Page Load Speed

6.6 sec in total

First Response

1.3 sec

Resources Loaded

4.8 sec

Page Rendered

404 ms

czzs.com screenshot

About Website

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

czzs.com 域名正在转让、出售、售卖中。您可在此查看 czzs 域名的真实卖家联络信息，通过微信、邮箱、电话、QQ 联系方式完成交易，这是来自腾讯云 DNSPod 提供的免费域名停靠（Domain Parking）服务。

Visit czzs.com

Key Findings

We analyzed Czzs.com page load time and found that the first response time was 1.3 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

czzs.com performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

czzs.com

1329 ms

DNParking-202103241036.css

765 ms

beacon_web.min.js

1595 ms

DNParking-202103241036.css

1370 ms

banner-2.83ca50cdabf674f28af75059106abe88db312320.png

1362 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 10% of them (1 request) were addressed to the original Czzs.com, 60% (6 requests) were made to Cloudcache.tencent-cloud.cn and 10% (1 request) were made to Beaconcdn.qq.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Beaconcdn.qq.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.0 kB (36%)

Content Size

452.2 kB

After Optimization

291.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Czzs.com main page is 452.2 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. 20% of websites need less resources to load. Images take 434.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 10.2 kB

  • Original 12.9 kB
  • After minification 7.4 kB
  • After compression 2.7 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 5.4 kB, which is 42% 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 10.2 kB or 79% of the original size.

Image Optimization

-35%

Potential reduce by 150.8 kB

  • Original 434.5 kB
  • After minification 283.7 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. Obviously, Czzs needs image optimization as it can save up to 150.8 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-1%

Potential reduce by 44 B

  • Original 4.9 kB
  • After minification 4.9 kB
  • After compression 4.8 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. Czzs.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czzs. According to our analytics all requests are already optimized.

Network Requests Diagram

czzs.com

czzs.com

1329 ms

DNParking-202103241036.css

DNParking-202103241036.css

765 ms

beacon_web.min.js

beacon_web.min.js

1595 ms

DNParking-202103241036.css

DNParking-202103241036.css

1370 ms

banner-2.83ca50cdabf674f28af75059106abe88db312320.png

banner-2.83ca50cdabf674f28af75059106abe88db312320.png

1362 ms

bg-1.jpg

bg-1.jpg

894 ms

back-4.png

back-4.png

926 ms

cloud.svg

cloud.svg

731 ms

dp.svg

dp.svg

710 ms

upload

upload

1035 ms

Accessibility Review

czzs.com accessibility score

54

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

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

Links do not have a discernible name

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

czzs.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

czzs.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

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 Czzs.com 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 Czzs.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

czzs.com

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