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cz128.com screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cz128.com

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Page Load Speed

6.8 sec in total

First Response

879 ms

Resources Loaded

4.5 sec

Page Rendered

1.4 sec

cz128.com screenshot

About Website

Visit cz128.com now to see the best up-to-date Cz 128 content and also check out these interesting facts you probably never knew about cz128.com

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Visit cz128.com

Key Findings

We analyzed Cz128.com page load time and found that the first response time was 879 ms and then it took 5.9 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

cz128.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

cz128.com

879 ms

ui.css

1867 ms

cms.css

762 ms

jq.js

1566 ms

ui.js

2069 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Cz128.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Cz128.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.6 kB (16%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cz128.com main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 75.8 kB

  • Original 85.0 kB
  • After minification 61.2 kB
  • After compression 9.2 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 23.8 kB, which is 28% 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 75.8 kB or 89% of the original size.

Image Optimization

-10%

Potential reduce by 149.6 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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. Cz 128 images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 32.1 kB

  • Original 126.1 kB
  • After minification 126.1 kB
  • After compression 93.9 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 32.1 kB or 25% of the original size.

CSS Optimization

-28%

Potential reduce by 12.1 kB

  • Original 43.4 kB
  • After minification 43.4 kB
  • After compression 31.3 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. Cz128.com needs all CSS files to be minified and compressed as it can save up to 12.1 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (29%)

Requests Now

17

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cz 128. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cz128.com

cz128.com

879 ms

ui.css

ui.css

1867 ms

cms.css

cms.css

762 ms

jq.js

jq.js

1566 ms

ui.js

ui.js

2069 ms

qrcode.js

qrcode.js

740 ms

pjax.js

pjax.js

805 ms

lazyload.js

lazyload.js

1009 ms

cms.js

cms.js

1207 ms

17117235442056.png

17117235442056.png

270 ms

17131069862998.jpg

17131069862998.jpg

1283 ms

17131070066506.jpg

17131070066506.jpg

768 ms

spacer.gif

spacer.gif

197 ms

noface.jpg

noface.jpg

283 ms

ga.png

ga.png

267 ms

17118000443141.jpg

17118000443141.jpg

653 ms

17183342417287.jpg

17183342417287.jpg

1655 ms

17177324691967.jpg

17177324691967.jpg

1421 ms

iconfont.woff

iconfont.woff

732 ms

Accessibility Review

cz128.com accessibility score

68

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

High

Links do not have a discernible 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

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

cz128.com best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cz128.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cz128.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 Cz128.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

cz128.com

Open Graph description is not detected on the main page of Cz 128. 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: