Access ca9.cn. 工艺资源网-前沿流行趋势引导海外期刊采购目录工艺图库材料技术工艺品素材原创设计的开发设计整体服务商!

name

value

score

weighting

FCP (First Contentful Paint)

Value11.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

ca9.cn

751 ms

www.ca9.cn

1472 ms

jquery-1.9.1.min.js

726 ms

jquery-1.8.3.min.js

1561 ms

jquery.cookies.2.2.0.min.js

752 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 94% of them (102 requests) were addressed to the original Ca9.cn, 2% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to Res.wx.qq.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Ca9.cn.

Content Size

3.4 MB

After Optimization

2.5 MB

In fact, the total size of Ca9.cn main page is 3.4 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. 55% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 56.3 kB

Original 66.7 kB
After minification 53.2 kB
After compression 10.4 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. This page needs HTML code to be minified as it can gain 13.5 kB, which is 20% 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 56.3 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 189.7 kB

Original 2.3 MB
After minification 2.1 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. Ca 9 images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 635.9 kB

Original 991.9 kB
After minification 890.6 kB
After compression 356.0 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 635.9 kB or 64% of the original size.

CSS Optimization

-18%

Potential reduce by 3.3 kB

Original 18.4 kB
After minification 18.4 kB
After compression 15.1 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. Ca9.cn needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 18% of the original size.

Requests Now

105

After Optimization

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ca 9. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Ca9.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 Ca9.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

ca9.cn

Open Graph description is not detected on the main page of Ca 9. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

工艺资源网-前沿流行 趋势引导 海外期刊 采购目录 工艺图库 材料技术 工艺品素材 原创设计的开发设计整体服务商!

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

ca9.cn

www.ca9.cn

jquery-1.9.1.min.js

jquery-1.8.3.min.js

jquery.cookies.2.2.0.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ca9.cn

www.ca9.cn

jquery-1.9.1.min.js

jquery-1.8.3.min.js

jquery.cookies.2.2.0.min.js

icon.css

easyui.css

jquery.easyui.min.js

easyui-lang-zh_CN.js

jquery.noty.packaged.min.js

style.css

uilts.js

decorator.js

share.js

alert.css

demo.css

zTreeStyle.css

jquery.ztree.core.js

jquery.ztree.excheck.js

jquery.ztree.exedit.js

favoriteCategory.js

typeahead.bundle.js

wxLogin.js

index.css

unslider.min.js

jquery.bxcarousel.min.js

index.js

clipboard.min.js

jquery.select.js

logo-1.png

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vip_ca9.png

vip_qs.png

vip_tp.png

jinpaifuwu.png

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工艺资源网-前沿流行趋势引导海外期刊采购目录工艺图库材料技术工艺品素材原创设计的开发设计整体服务商!