Tools & Wizards About Us
9d9.cn screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

9d9.cn

天翼云代理商-天翼云服务器优惠,云主机价格折扣

Page Load Speed

7.7 sec in total

First Response

698 ms

Resources Loaded

6.3 sec

Page Rendered

690 ms

9d9.cn screenshot

About Website

Click here to check amazing 9 D content. Otherwise, check out these important facts you probably never knew about 9d9.cn

天翼云代理商提供天翼云服务器,云主机,云数据库等专业服务，帮助您实现高效、可靠、安全的数据存储和管理。我们提供优质的折扣返利购买服务，让您在山屿海信息科技享受优惠价格的同时，获得更多实惠。通过我们的服务，您可以轻松构建和管理您的网站、应用程序和数据库，提升您的业务效率和用户体验。

Visit 9d9.cn

Key Findings

We analyzed 9d9.cn page load time and found that the first response time was 698 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

9d9.cn performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value21.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.1 s

0/100

25%

SI (Speed Index)

Value21.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.071

96/100

15%

TTI (Time to Interactive)

Value27.6 s

0/100

10%

Network Requests Diagram

9d9.cn

698 ms

9d9.cn

1127 ms

www.9d9.cn

1687 ms

bootstrap.min.css

802 ms

web.css

645 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 71% of them (30 requests) were addressed to the original 9d9.cn, 24% (10 requests) were made to Images.9d9.cn and 5% (2 requests) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Images.9d9.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 535.7 kB (41%)

Content Size

1.3 MB

After Optimization

773.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 9d9.cn main page is 1.3 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. 30% of websites need less resources to load. Images take 660.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 43.8 kB

  • Original 58.3 kB
  • After minification 58.0 kB
  • After compression 14.4 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 43.8 kB or 75% of the original size.

Image Optimization

-8%

Potential reduce by 49.6 kB

  • Original 660.4 kB
  • After minification 610.8 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. 9 D images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 164.5 kB

  • Original 270.1 kB
  • After minification 269.9 kB
  • After compression 105.6 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 164.5 kB or 61% of the original size.

CSS Optimization

-87%

Potential reduce by 277.8 kB

  • Original 320.8 kB
  • After minification 302.7 kB
  • After compression 42.9 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. 9d9.cn needs all CSS files to be minified and compressed as it can save up to 277.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

38

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

9d9.cn

9d9.cn

698 ms

9d9.cn

9d9.cn

1127 ms

www.9d9.cn

www.9d9.cn

1687 ms

bootstrap.min.css

bootstrap.min.css

802 ms

web.css

web.css

645 ms

bootstrap-icons.min.css

bootstrap-icons.min.css

912 ms

logo.png

logo.png

680 ms

banner-index.png

banner-index.png

1437 ms

icon-yun-1.png

icon-yun-1.png

1236 ms

icon-yun-2.png

icon-yun-2.png

894 ms

hot.png

hot.png

995 ms

icon-yun-3.png

icon-yun-3.png

1043 ms

auto_1279878.jpg

auto_1279878.jpg

1214 ms

auto_1279860.jpg

auto_1279860.jpg

2338 ms

auto_1279847.jpg

auto_1279847.jpg

2367 ms

auto_1279840.jpg

auto_1279840.jpg

1784 ms

title

title

2448 ms

title

title

1680 ms

title

title

1904 ms

title

title

2061 ms

title

title

2140 ms

title

title

2437 ms

icon-yun-4.png

icon-yun-4.png

1120 ms

icon-yun-5.png

icon-yun-5.png

1214 ms

icon-yun-6.png

icon-yun-6.png

1159 ms

icon-yun-7.png

icon-yun-7.png

1275 ms

icon-yun-8.png

icon-yun-8.png

1358 ms

icon-yun-9.png

icon-yun-9.png

1410 ms

icon-yun-10.png

icon-yun-10.png

1450 ms

icon-yun-11.png

icon-yun-11.png

1470 ms

ScrollReveal.js

ScrollReveal.js

1538 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

1812 ms

web_index.js

web_index.js

1632 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

1757 ms

common.js

common.js

1669 ms

pcRightFloat.js

pcRightFloat.js

1809 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

104 ms

adv.png

adv.png

1859 ms

bg-yun.png

bg-yun.png

1000 ms

bootstrap-icons.woff

bootstrap-icons.woff

1260 ms

js-sdk-event.min.js

js-sdk-event.min.js

974 ms

push

push

320 ms

Accessibility Review

9d9.cn accessibility score

45

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.

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

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

9d9.cn best practices score

75

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

9d9.cn SEO score

83

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 9d9.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that 9d9.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

9d9.cn

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