Report Summary

  • 37

    Performance

    Renders faster than
    58% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

zitian.cn

服务器租用_服务器托管_虚拟主机_云主机_vps-紫田网络

Page Load Speed

29 sec in total

First Response

3.9 sec

Resources Loaded

24.6 sec

Page Rendered

467 ms

zitian.cn screenshot

About Website

Click here to check amazing Zitian content for China. Otherwise, check out these important facts you probably never knew about zitian.cn

紫田网络是中原数据基地核心服务商,专业提供服务器租用,服务器托管,域名注册,vps,虚拟主机,虚拟主机租用,云主机,高防服务器等,致力于服务器租用托管15年,覆盖30万行业网站,中国IDC行业十强,中原IDC行业领跑者!

Visit zitian.cn

Key Findings

We analyzed Zitian.cn page load time and found that the first response time was 3.9 sec and then it took 25.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

zitian.cn performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.235

53/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

zitian.cn

3910 ms

jquery-2.1.4.min.js

2057 ms

jquery-migrate-1.2.1.js

1551 ms

jquery-ui.min.js

3117 ms

jquery-ui.min.css

1935 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 89% of them (88 requests) were addressed to the original Zitian.cn, 3% (3 requests) were made to Combo.b.qq.com and 2% (2 requests) were made to New.zitian.cn. The less responsive or slowest element that took the longest time to load (18.3 sec) belongs to the original domain Zitian.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 851.8 kB (26%)

Content Size

3.2 MB

After Optimization

2.4 MB

In fact, the total size of Zitian.cn main page is 3.2 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. 35% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 53.0 kB

  • Original 72.7 kB
  • After minification 67.7 kB
  • After compression 19.7 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 53.0 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 76.8 kB

  • Original 2.2 MB
  • After minification 2.1 MB

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. Zitian images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 549.4 kB

  • Original 787.3 kB
  • After minification 698.7 kB
  • After compression 237.9 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 549.4 kB or 70% of the original size.

CSS Optimization

-80%

Potential reduce by 172.6 kB

  • Original 215.9 kB
  • After minification 193.6 kB
  • After compression 43.3 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. Zitian.cn needs all CSS files to be minified and compressed as it can save up to 172.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (54%)

Requests Now

98

After Optimization

45

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zitian. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zitian.cn accessibility score

76

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

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

zitian.cn 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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zitian.cn SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zitian.cn 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 Zitian.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

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