Tools & Wizards About Us

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 34

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

chinadds.com

广州云钥信息技术有限公司|域名注册,虚拟主机租用,网站空间申请,企业邮局购买,数据库租赁

Page Load Speed

3.8 sec in total

First Response

869 ms

Resources Loaded

2.8 sec

Page Rendered

111 ms

About Website

Welcome to chinadds.com homepage info - get ready to check Chinadds best content right away, or after learning these important things about chinadds.com

广州云钥信息技术有限公司(ChinaDDS)为广大用户提供支持ASP/ASP.net/PHP的虚拟主机租用,网站空间购买,虚拟空间租赁,寄存空间申请,主机出租；企业邮局办理,企业邮箱开通,电子邮局代办；MSSQL Server导购,MySQL数据库以及域名注册,域名申请,网址注册等服务。

Visit chinadds.com

Key Findings

We analyzed Chinadds.com page load time and found that the first response time was 869 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

chinadds.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

chinadds.com

869 ms

style.css

448 ms

DomainSearch.js

448 ms

UserSigninForm.js

451 ms

index01.jpg

230 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Chinadds.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Chinadds.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.9 kB (23%)

Content Size

85.9 kB

After Optimization

66.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chinadds.com main page is 85.9 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 60.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.4 kB

  • Original 23.5 kB
  • After minification 22.2 kB
  • After compression 5.1 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 18.4 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 683 B

  • Original 60.1 kB
  • After minification 59.4 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. Chinadds images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 543 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 846 B

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 543 B or 39% of the original size.

CSS Optimization

-32%

Potential reduce by 287 B

  • Original 887 B
  • After minification 887 B
  • After compression 600 B

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. Chinadds.com needs all CSS files to be minified and compressed as it can save up to 287 B or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (29%)

Requests Now

31

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinadds. 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

Accessibility Review

chinadds.com accessibility score

34

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

chinadds.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

chinadds.com SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chinadds.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Chinadds.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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