Tools & Wizards About Us
czaad.cn screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

czaad.cn

阀门电动装置-电动头-江苏益强自控科技有限公司

Page Load Speed

11.6 sec in total

First Response

3.7 sec

Resources Loaded

7.5 sec

Page Rendered

371 ms

czaad.cn screenshot

About Website

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

江苏益强自控科技有限公司专业生产阀门电动装置(电动执行器,电动头)和成套电动阀门，具有多年阀门电动装置(电动执行器,电动头)的生产经验，产品已获防爆合格证。

Visit czaad.cn

Key Findings

We analyzed Czaad.cn page load time and found that the first response time was 3.7 sec and then it took 7.9 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

czaad.cn performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

czaad.cn

3672 ms

pintuer.css

1018 ms

jquery.js

1229 ms

pintuer.js

691 ms

respond.min.js

681 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Czaad.cn, 6% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Czaad.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 234.9 kB (19%)

Content Size

1.2 MB

After Optimization

980.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Czaad.cn main page is 1.2 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. 15% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.7 kB

  • Original 22.6 kB
  • After minification 19.8 kB
  • After compression 4.9 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 2.8 kB, which is 12% 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 17.7 kB or 78% of the original size.

Image Optimization

-18%

Potential reduce by 193.2 kB

  • Original 1.1 MB
  • After minification 900.5 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, Czaad needs image optimization as it can save up to 193.2 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-21%

Potential reduce by 10.8 kB

  • Original 51.3 kB
  • After minification 51.3 kB
  • After compression 40.5 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 10.8 kB or 21% of the original size.

CSS Optimization

-28%

Potential reduce by 13.2 kB

  • Original 47.5 kB
  • After minification 47.5 kB
  • After compression 34.3 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. Czaad.cn needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (10%)

Requests Now

29

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czaad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

czaad.cn

czaad.cn

3672 ms

pintuer.css

pintuer.css

1018 ms

jquery.js

jquery.js

1229 ms

pintuer.js

pintuer.js

691 ms

respond.min.js

respond.min.js

681 ms

style.css

style.css

685 ms

top-bg.png

top-bg.png

243 ms

logo.png

logo.png

229 ms

1-1G1131453340-L.jpg

1-1G1131453340-L.jpg

1119 ms

1-201120102S60-L.jpg

1-201120102S60-L.jpg

913 ms

1-2011191632050-L.jpg

1-2011191632050-L.jpg

736 ms

1-201119163G00-L.jpg

1-201119163G00-L.jpg

910 ms

1-2011191646260-L.jpg

1-2011191646260-L.jpg

463 ms

1-201122104053Y0.jpg

1-201122104053Y0.jpg

703 ms

1-2011221020370-L.jpg

1-2011221020370-L.jpg

723 ms

1-2011221010560-L.jpg

1-2011221010560-L.jpg

1161 ms

1-201122093Q60-L.jpg

1-201122093Q60-L.jpg

964 ms

aboutbg.jpg

aboutbg.jpg

1189 ms

index-about.png

index-about.png

1804 ms

1-2011221055150-L.jpg

1-2011221055150-L.jpg

1136 ms

1-2011221056000-L.jpg

1-2011221056000-L.jpg

1221 ms

1-201122105F80-L.jpg

1-201122105F80-L.jpg

1378 ms

1-201122105J90-L.jpg

1-201122105J90-L.jpg

1383 ms

ysbg.jpg

ysbg.jpg

1606 ms

news1.png

news1.png

1648 ms

news2.png

news2.png

1447 ms

news3.png

news3.png

1604 ms

weixin.jpg

weixin.jpg

1606 ms

hm.js

hm.js

1150 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1618 ms

hm.gif

hm.gif

315 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

1151 ms

Accessibility Review

czaad.cn accessibility score

57

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

Image elements do not have [alt] attributes

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.

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

czaad.cn best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

czaad.cn SEO score

74

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Czaad.cn 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 Czaad.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

czaad.cn

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