Tools & Wizards About Us
czzc.cn screenshot

Report Summary

  • 0

    Performance

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

czzc.cn

czzc.cn

Page Load Speed

9.3 sec in total

First Response

946 ms

Resources Loaded

8.3 sec

Page Rendered

83 ms

czzc.cn screenshot

About Website

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

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Key Findings

We analyzed Czzc.cn page load time and found that the first response time was 946 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

czzc.cn performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

czzc.cn

946 ms

domainshow

949 ms

aliyun_assets

1449 ms

index.js

1476 ms

seed-min.js

263 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Czzc.cn, 57% (29 requests) were made to G.alicdn.com and 8% (4 requests) were made to Aliyun.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Ynuf.alipay.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.3 kB (7%)

Content Size

350.3 kB

After Optimization

327.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Czzc.cn main page is 350.3 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. 60% of websites need less resources to load. Javascripts take 310.7 kB which makes up the majority of the site volume.

HTML Optimization

-41%

Potential reduce by 197 B

  • Original 477 B
  • After minification 473 B
  • After compression 280 B

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 197 B or 41% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 81 B
  • After minification 81 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. Czzc images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 12.9 kB

  • Original 310.7 kB
  • After minification 310.7 kB
  • After compression 297.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-26%

Potential reduce by 10.3 kB

  • Original 39.0 kB
  • After minification 39.0 kB
  • After compression 28.8 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. Czzc.cn needs all CSS files to be minified and compressed as it can save up to 10.3 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (88%)

Requests Now

43

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czzc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

czzc.cn

czzc.cn

946 ms

domainshow

domainshow

949 ms

aliyun_assets

aliyun_assets

1449 ms

index.js

index.js

1476 ms

seed-min.js

seed-min.js

263 ms

ace-base-assets

ace-base-assets

1494 ms

index-pc.css

index-pc.css

258 ms

show.css

show.css

272 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

300 ms

common.js

common.js

265 ms

show.js

show.js

280 ms

g.alicdn.com

g.alicdn.com

279 ms

index-pc.js

index-pc.js

306 ms

aliyun_assets

aliyun_assets

950 ms

index.js

index.js

1137 ms

ace-base-assets

ace-base-assets

1118 ms

g.alicdn.com

g.alicdn.com

50 ms

g.alicdn.com

g.alicdn.com

71 ms

g.alicdn.com

g.alicdn.com

24 ms

g.alicdn.com

g.alicdn.com

22 ms

index.css

index.css

25 ms

g.alicdn.com

g.alicdn.com

90 ms

search.css

search.css

42 ms

tms-lego.js

tms-lego.js

88 ms

head-logic

head-logic

249 ms

head-logic

head-logic

448 ms

index.js

index.js

212 ms

index.js

index.js

28 ms

index.js

index.js

46 ms

bl.js

bl.js

392 ms

aplus_v2.js

aplus_v2.js

106 ms

pt2.js

pt2.js

23 ms

detail

detail

775 ms

um.js

um.js

55 ms

eg.js

eg.js

804 ms

clear.png

clear.png

1527 ms

wu.json

wu.json

1413 ms

y.gif

y.gif

200 ms

index.js

index.js

349 ms

alitx.22.1

alitx.22.1

903 ms

index.js

index.js

28 ms

index.js

index.js

28 ms

g.alicdn.com

g.alicdn.com

79 ms

et_n.js

et_n.js

42 ms

baxiaCommon.js

baxiaCommon.js

443 ms

um.json

um.json

486 ms

fsp.1.1

fsp.1.1

304 ms

r.png

r.png

869 ms

index.js

index.js

36 ms

r.png

r.png

927 ms

ahot.1.2

ahot.1.2

194 ms

Accessibility Review

czzc.cn 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

<frame> or <iframe> elements do not have a title

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

czzc.cn 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

General

Impact

Issue

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

czzc.cn SEO score

64

Search Engine Optimization Advices

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 Czzc.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 Czzc.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

czzc.cn

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