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400cd.com.cn screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

400cd.com.cn

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Page Load Speed

17.5 sec in total

First Response

1.4 sec

Resources Loaded

15.9 sec

Page Rendered

304 ms

400cd.com.cn screenshot

About Website

Click here to check amazing 400 Cd content. Otherwise, check out these important facts you probably never knew about 400cd.com.cn

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Visit 400cd.com.cn

Key Findings

We analyzed 400cd.com.cn page load time and found that the first response time was 1.4 sec and then it took 16.2 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

400cd.com.cn performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

95/100

10%

Network Requests Diagram

400cd.com.cn

1382 ms

www.400cd.com.cn

3416 ms

global.css

888 ms

index.css

896 ms

global.js

892 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 85% of them (34 requests) were addressed to the original 400cd.com.cn, 3% (1 request) were made to S4.cnzz.com and 3% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (11.2 sec) belongs to the original domain 400cd.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.4 kB (49%)

Content Size

158.3 kB

After Optimization

80.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 400cd.com.cn main page is 158.3 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. Only 10% of websites need less resources to load. Images take 120.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 10.0 kB

  • Original 14.4 kB
  • After minification 13.6 kB
  • After compression 4.4 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 10.0 kB or 70% of the original size.

Image Optimization

-43%

Potential reduce by 51.5 kB

  • Original 120.5 kB
  • After minification 69.0 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, 400 Cd needs image optimization as it can save up to 51.5 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 8.1 kB

  • Original 12.8 kB
  • After minification 12.2 kB
  • After compression 4.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 8.1 kB or 64% of the original size.

CSS Optimization

-74%

Potential reduce by 7.8 kB

  • Original 10.6 kB
  • After minification 9.4 kB
  • After compression 2.8 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. 400cd.com.cn needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (30%)

Requests Now

37

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 400 Cd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

400cd.com.cn

400cd.com.cn

1382 ms

www.400cd.com.cn

www.400cd.com.cn

3416 ms

global.css

global.css

888 ms

index.css

index.css

896 ms

global.js

global.js

892 ms

bg.png

bg.png

448 ms

head_bg.jpg

head_bg.jpg

3385 ms

1.0.gif

1.0.gif

448 ms

head_phone.png

head_phone.png

659 ms

nav_bg.png

nav_bg.png

2552 ms

nav_hover.png

nav_hover.png

899 ms

banner.jpg

banner.jpg

7114 ms

why_t_bg.jpg

why_t_bg.jpg

901 ms

why_t.png

why_t.png

1192 ms

why_c.png

why_c.png

1425 ms

why_list.gif

why_list.gif

1427 ms

gn.png

gn.png

1709 ms

topbanner.jpg

topbanner.jpg

5307 ms

case_t.png

case_t.png

2540 ms

more.png

more.png

2239 ms

4de34d1629f64.jpg

4de34d1629f64.jpg

2764 ms

4de35079bebc3.jpg

4de35079bebc3.jpg

3415 ms

user_1.jpg

user_1.jpg

3830 ms

user_2.jpg

user_2.jpg

3784 ms

user_3.jpg

user_3.jpg

5380 ms

user_4.jpg

user_4.jpg

5050 ms

user_5.jpg

user_5.jpg

4802 ms

user_6.jpg

user_6.jpg

11191 ms

user_7.jpg

user_7.jpg

8169 ms

user_8.jpg

user_8.jpg

7080 ms

mt.png

mt.png

5737 ms

col2_line.png

col2_line.png

7498 ms

qa.png

qa.png

6168 ms

foot_white.png

foot_white.png

6435 ms

stat.php

stat.php

2396 ms

stat.htm

stat.htm

217 ms

core.php

core.php

1942 ms

9.gif

9.gif

1631 ms

pic1.gif

pic1.gif

773 ms

app.gif

app.gif

848 ms

Accessibility Review

400cd.com.cn accessibility score

56

Accessibility Issues

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

400cd.com.cn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

400cd.com.cn SEO score

62

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

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 400cd.com.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 400cd.com.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

400cd.com.cn

Open Graph description is not detected on the main page of 400 Cd. 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: