Tools & Wizards About Us
cadzxw.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cadzxw.com

CAD自学网 - CAD视频教程,CAD软件下载,免费的设计软件教程自学网

Page Load Speed

12.6 sec in total

First Response

1.4 sec

Resources Loaded

10.6 sec

Page Rendered

549 ms

cadzxw.com screenshot

About Website

Welcome to cadzxw.com homepage info - get ready to check Cadzxw best content for China right away, or after learning these important things about cadzxw.com

CAD自学网是一个永久免费的设计软件自学网，提供AutoCAD、Catia、UG、Pro/E、Creo、Solidworks、CAXA、PS、Revit、3dmax、sketchup，天正CAD等设计软件与教程的下载，致力于为设计师提供便捷的软件、教程和图纸下载。

Visit cadzxw.com

Key Findings

We analyzed Cadzxw.com page load time and found that the first response time was 1.4 sec and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cadzxw.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.2 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value5,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.206

60/100

15%

TTI (Time to Interactive)

Value30.9 s

0/100

10%

Network Requests Diagram

www.cadzxw.com

1439 ms

style.min.css

230 ms

style.min.css

457 ms

index.css

628 ms

classic-themes.min.css

642 ms

Our browser made a total of 168 requests to load all elements on the main page. We found that 80% of them (134 requests) were addressed to the original Cadzxw.com, 14% (24 requests) were made to Cravatar.cn and 3% (5 requests) were made to Img.cadzxw.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Cravatar.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 875.3 kB (15%)

Content Size

5.8 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cadzxw.com main page is 5.8 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. 70% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 280.4 kB

  • Original 347.7 kB
  • After minification 332.4 kB
  • After compression 67.4 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. 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 280.4 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 580.3 kB

  • Original 4.7 MB
  • After minification 4.1 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. Obviously, Cadzxw needs image optimization as it can save up to 580.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 12.0 kB

  • Original 571.6 kB
  • After minification 571.3 kB
  • After compression 559.6 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

-2%

Potential reduce by 2.6 kB

  • Original 157.9 kB
  • After minification 157.5 kB
  • After compression 155.3 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. Cadzxw.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 59 (36%)

Requests Now

165

After Optimization

106

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 165 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cadzxw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cadzxw.com

www.cadzxw.com

1439 ms

style.min.css

style.min.css

230 ms

style.min.css

style.min.css

457 ms

index.css

index.css

628 ms

classic-themes.min.css

classic-themes.min.css

642 ms

style.css

style.css

637 ms

be.css

be.css

885 ms

dashicons.min.css

dashicons.min.css

654 ms

fonts.css

fonts.css

670 ms

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19 ms

blocks-front.css

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835 ms

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852 ms

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858 ms

hooks.min.js

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url.min.js

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api-fetch.min.js

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lodash.min.js

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deprecated.min.js

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dom.min.js

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escape-html.min.js

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element.min.js

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is-shallow-equal.min.js

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1346 ms

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priority-queue.min.js

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compose.min.js

1527 ms

moment.min.js

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1542 ms

date.min.js

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primitives.min.js

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redux-routine.min.js

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1675 ms

data.min.js

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1712 ms

rich-text.min.js

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20 ms

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2087 ms

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qrious.js

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owl.js

owl.js

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sticky.js

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1360 ms

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ias.js

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nice-select.js

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1343 ms

hm.js

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1209 ms

logo.png

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559 ms

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554 ms

3dsource.gif

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642 ms

1200.jpg

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881 ms

sjrjk.png

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961 ms

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1168 ms

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1775 ms

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89 ms

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2335 ms

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1879 ms

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2086 ms

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2056 ms

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327 ms

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1652 ms

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1095 ms

gongan.png

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1186 ms

logo-s.png

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1302 ms

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admin-ajax.php

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528 ms

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1108 ms

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429 ms

Accessibility Review

cadzxw.com accessibility score

63

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

cadzxw.com 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cadzxw.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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Cadzxw.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 Cadzxw.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

cadzxw.com

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