Access cs9an.com. 【DESTOON二次开发】DESTOON模板制作教程_dt模板网

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

cs9an.com

1417 ms

www.cs9an.com

6112 ms

top.css

1330 ms

style.css

1867 ms

jquery.js

2832 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 84% of them (85 requests) were addressed to the original Cs9an.com, 14% (14 requests) were made to Bdimg.share.baidu.com and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Cs9an.com.

Content Size

351.8 kB

After Optimization

169.8 kB

In fact, the total size of Cs9an.com main page is 351.8 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. 25% of websites need less resources to load. CSS take 118.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 32.1 kB

Original 40.1 kB
After minification 37.9 kB
After compression 8.0 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 32.1 kB or 80% of the original size.

Image Optimization

-18%

Potential reduce by 18.6 kB

Original 103.4 kB
After minification 84.8 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, Cs 9 An needs image optimization as it can save up to 18.6 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

-37%

Potential reduce by 33.6 kB

Original 90.3 kB
After minification 83.9 kB
After compression 56.7 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 33.6 kB or 37% of the original size.

CSS Optimization

-83%

Potential reduce by 97.7 kB

Original 118.0 kB
After minification 104.3 kB
After compression 20.4 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. Cs9an.com needs all CSS files to be minified and compressed as it can save up to 97.7 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cs 9 An. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

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

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Cs9an.com 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 Cs9an.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

cs9an.com

Open Graph description is not detected on the main page of Cs 9 An. 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

【DESTOON二次开发】DESTOON模板制作教程_dt模板网_DESTOON系统B2B平台定制开发

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

cs9an.com

www.cs9an.com

top.css

style.css

jquery.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

cs9an.com

www.cs9an.com

top.css

style.css

jquery.js

index.css

roobox.js

foot.css

banner.js

foot.js

tel.png

f_more.jpg

logo.png

nav_line1.jpg

web.jpg

nav1.png

anli.png

p_about2.jpg

map.png

zuo.png

you.png

banner1.jpg

pic1.png

more1.png

pic2.png

banner2.jpg

pic3.png

pic4.png

banner3.jpg

pic5.png

pic14.png

pic6.png

banner4.jpg

pic7.png

pic8.png

pic5.png

banner5.jpg

pic9.png

pic10.png

next_left.png

next_right.png

18-28-54-83-1.jpg.middle.jpg

23-18-47-42-1.jpg.middle.jpg