Tools & Wizards About Us
cn9d.com screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

cn9d.com

阿里云万网虚机手工关停页面

Page Load Speed

31.2 sec in total

First Response

4.9 sec

Resources Loaded

26 sec

Page Rendered

383 ms

cn9d.com screenshot

About Website

Welcome to cn9d.com homepage info - get ready to check Cn 9 D best content right away, or after learning these important things about cn9d.com

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Visit cn9d.com

Key Findings

We analyzed Cn9d.com page load time and found that the first response time was 4.9 sec and then it took 26.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cn9d.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value1.205

1/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

cn9d.com

4893 ms

index.css

800 ms

common.css

926 ms

google.js

1406 ms

header.js

1011 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 49% of them (36 requests) were addressed to the original Cn9d.com, 19% (14 requests) were made to Api.map.baidu.com and 7% (5 requests) were made to Static.soperson.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Cn9d.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.2 kB (32%)

Content Size

746.4 kB

After Optimization

506.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cn9d.com main page is 746.4 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. 35% of websites need less resources to load. Images take 482.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 44.3 kB

  • Original 54.9 kB
  • After minification 50.5 kB
  • After compression 10.6 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 44.3 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 56.8 kB

  • Original 482.1 kB
  • After minification 425.3 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, Cn 9 D needs image optimization as it can save up to 56.8 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

-65%

Potential reduce by 101.5 kB

  • Original 156.6 kB
  • After minification 155.9 kB
  • After compression 55.1 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 101.5 kB or 65% of the original size.

CSS Optimization

-71%

Potential reduce by 37.6 kB

  • Original 52.8 kB
  • After minification 46.1 kB
  • After compression 15.2 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. Cn9d.com needs all CSS files to be minified and compressed as it can save up to 37.6 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (36%)

Requests Now

69

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn 9 D. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cn9d.com

cn9d.com

4893 ms

index.css

index.css

800 ms

common.css

common.css

926 ms

google.js

google.js

1406 ms

header.js

header.js

1011 ms

lun.js

lun.js

557 ms

youku.js

youku.js

738 ms

api

api

2296 ms

footer.js

footer.js

7382 ms

fanhui.jpg

fanhui.jpg

2068 ms

jdzscm.jpg

jdzscm.jpg

2902 ms

dianhua.jpg

dianhua.jpg

2054 ms

kp2.jpg

kp2.jpg

20109 ms

kp1.jpg

kp1.jpg

6640 ms

kp3.jpg

kp3.jpg

11703 ms

suoqu.jpg

suoqu.jpg

3593 ms

fenbu.jpg

fenbu.jpg

7010 ms

more.jpg

more.jpg

6086 ms

inyoushi.jpg

inyoushi.jpg

14884 ms

xxmr.jpg

xxmr.jpg

8476 ms

inliyou.jpg

inliyou.jpg

15298 ms

inanli.jpg

inanli.jpg

13099 ms

inguanyu.jpg

inguanyu.jpg

20106 ms

weixinda.jpg

weixinda.jpg

14536 ms

hover.jpg

hover.jpg

14928 ms

xxx.jpg

xxx.jpg

14933 ms

erbg.png

erbg.png

17099 ms

baright.jpg

baright.jpg

17033 ms

XNjA0OTA4Nzc2

XNjA0OTA4Nzc2

516 ms

hui1.jpg

hui1.jpg

15303 ms

hui.jpg

hui.jpg

15602 ms

huang.jpg

huang.jpg

15716 ms

mtbt.jpg

mtbt.jpg

16771 ms

huangd.jpg

huangd.jpg

16140 ms

xipic.jpg

xipic.jpg

16958 ms

index_bg2.jpg

index_bg2.jpg

18928 ms

index_bg.jpg

index_bg.jpg

17796 ms

jsapi

jsapi

1974 ms

getscript

getscript

6382 ms

bmap.css

bmap.css

753 ms

play.css

play.css

1030 ms

custom.json

custom.json

12329 ms

xplayerv4.png

xplayerv4.png

534 ms

get.json

get.json

2839 ms

054104085226DB916A0A412DF7259D79

054104085226DB916A0A412DF7259D79

137 ms

bg.png

bg.png

322 ms

4310 ms

3501 ms

2354 ms

7309 ms

blank.gif

blank.gif

309 ms

openhand.cur

openhand.cur

732 ms

mapctrls.gif

mapctrls.gif

615 ms

copyright_logo.png

copyright_logo.png

615 ms

2062 ms

5609 ms

h.js

h.js

900 ms

10044736.js

10044736.js

570 ms

getmodules

getmodules

1229 ms

blank.gif

blank.gif

623 ms

blank.gif

blank.gif

326 ms

talk99.css

talk99.css

583 ms

talk99.js

talk99.js

898 ms

hm.gif

hm.gif

840 ms

mapctrls11.png

mapctrls11.png

316 ms

2778 ms

5671 ms

kefu0.jpg

kefu0.jpg

1444 ms

s.gif

s.gif

302 ms

close.gif

close.gif

302 ms

m_bg_1.gif

m_bg_1.gif

1099 ms

s

s

1792 ms

blank.gif

blank.gif

321 ms

blank.gif

blank.gif

322 ms

Accessibility Review

cn9d.com accessibility score

77

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

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

cn9d.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cn9d.com SEO score

77

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 doesn't use 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 Cn9d.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 Cn9d.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

cn9d.com

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