Tools & Wizards About Us
53dns.cn screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

53dns.cn

互易-域名注册,域名申请,云主机,云服务器,企业建站

Page Load Speed

71.3 sec in total

First Response

5.9 sec

Resources Loaded

65.2 sec

Page Rendered

202 ms

53dns.cn screenshot

About Website

Welcome to 53dns.cn homepage info - get ready to check 53 Dns best content right away, or after learning these important things about 53dns.cn

互易是国内知名域名注册商,知名主机、建站提供商,专业提供域名注册、云主机、网站建设、小程序开发、企业建站等,18年来,累计已为100万用户提供了产品和服务。

Visit 53dns.cn

Key Findings

We analyzed 53dns.cn page load time and found that the first response time was 5.9 sec and then it took 65.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 26 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

53dns.cn performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.096

91/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

53dns.cn

5889 ms

www.53dns.com

8916 ms

www.huyi.top

11725 ms

all.css

8672 ms

head.css

8669 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original 53dns.cn, 75% (74 requests) were made to Static.huyi.top and 6% (6 requests) were made to Huyi.top. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Static.huyi.top.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.1 kB (52%)

Content Size

464.6 kB

After Optimization

224.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 53dns.cn main page is 464.6 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. 25% of websites need less resources to load. Javascripts take 232.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 63.6 kB

  • Original 84.1 kB
  • After minification 76.4 kB
  • After compression 20.5 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 63.6 kB or 76% of the original size.

Image Optimization

-22%

Potential reduce by 22.4 kB

  • Original 103.6 kB
  • After minification 81.2 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, 53 Dns needs image optimization as it can save up to 22.4 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 119.4 kB

  • Original 232.5 kB
  • After minification 222.2 kB
  • After compression 113.2 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 119.4 kB or 51% of the original size.

CSS Optimization

-79%

Potential reduce by 34.8 kB

  • Original 44.3 kB
  • After minification 38.3 kB
  • After compression 9.5 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. 53dns.cn needs all CSS files to be minified and compressed as it can save up to 34.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (46%)

Requests Now

69

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 53 Dns. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

53dns.cn

53dns.cn

5889 ms

www.53dns.com

www.53dns.com

8916 ms

www.huyi.top

www.huyi.top

11725 ms

all.css

all.css

8672 ms

head.css

head.css

8669 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

9889 ms

all.js

all.js

10819 ms

head.js

head.js

8907 ms

lunbo.js

lunbo.js

8906 ms

index.css

index.css

8708 ms

wpa.php

wpa.php

897 ms

valicheck.js

valicheck.js

8112 ms

cookie.js

cookie.js

8417 ms

jquery.js

jquery.js

11323 ms

index.js

index.js

8666 ms

domain.js

domain.js

8789 ms

global.css

global.css

1690 ms

login-connect.css

login-connect.css

469 ms

www.huyi.top

www.huyi.top

2776 ms

gwyz.png

gwyz.png

1275 ms

logo20160224.png

logo20160224.png

6962 ms

Connect_logo_7.png

Connect_logo_7.png

596 ms

alipay_button.png

alipay_button.png

519 ms

new_4.gif

new_4.gif

602 ms

b2016010701.jpg

b2016010701.jpg

19591 ms

b20160033101.jpg

b20160033101.jpg

19622 ms

b2015111303.jpg

b2015111303.jpg

17536 ms

b20160217.jpg

b20160217.jpg

19622 ms

b2015111302.jpg

b2015111302.jpg

19623 ms

LongButton_View_server.png

LongButton_View_server.png

9351 ms

new.gif

new.gif

11855 ms

host_01.jpg

host_01.jpg

19622 ms

new_1.gif

new_1.gif

18042 ms

icon_host3.png

icon_host3.png

19623 ms

icon_host2.png

icon_host2.png

19623 ms

mailindex.png

mailindex.png

19624 ms

sq.jpg

sq.jpg

19625 ms

sq2.jpg

sq2.jpg

19626 ms

yw.jpg

yw.jpg

19625 ms

kefu.gif

kefu.gif

19655 ms

53logoshu.png

53logoshu.png

19655 ms

cell.gif

cell.gif

19657 ms

bizqq_online.jpg

bizqq_online.jpg

19657 ms

question.jpg

question.jpg

19658 ms

gongshang.gif

gongshang.gif

19660 ms

zqwa.gif

zqwa.gif

19662 ms

top_ad.png

top_ad.png

19663 ms

wx2wcode.gif

wx2wcode.gif

19663 ms

login-connect.css

login-connect.css

1246 ms

hm.js

hm.js

909 ms

sprite_search.png

sprite_search.png

1583 ms

adv_b.png

adv_b.png

2899 ms

head_bg.gif

head_bg.gif

19372 ms

shop_car.png

shop_car.png

18927 ms

Domainreg_bg.png

Domainreg_bg.png

19837 ms

1.jpg

1.jpg

19492 ms

Serverbox_bg.png

Serverbox_bg.png

18872 ms

web1.gif

web1.gif

19836 ms

web2.gif

web2.gif

19703 ms

web3.gif

web3.gif

19836 ms

2.jpg

2.jpg

19836 ms

cloud.gif

cloud.gif

19836 ms

3.jpg

3.jpg

19837 ms

Panel.js

Panel.js

937 ms

localStorage.js

localStorage.js

1013 ms

h.js

h.js

1302 ms

hm.gif

hm.gif

462 ms

hm.gif

hm.gif

749 ms

hm.gif

hm.gif

872 ms

contains.js

contains.js

314 ms

r.cgi

r.cgi

2811 ms

r.cgi

r.cgi

1725 ms

crmqq.php

crmqq.php

16381 ms

wpa_first_heart_beat.php

wpa_first_heart_beat.php

573 ms

wpa_first_heart_beat.php

wpa_first_heart_beat.php

1140 ms

vps_icon.gif

vps_icon.gif

15784 ms

4.jpg

4.jpg

14662 ms

server_x1.gif

server_x1.gif

11935 ms

server_x2.gif

server_x2.gif

6433 ms

5.jpg

5.jpg

5795 ms

qyyj.gif

qyyj.gif

3704 ms

host_title.png

host_title.png

4196 ms

host_tabHover.png

host_tabHover.png

4680 ms

mbeian.gif

mbeian.gif

4670 ms

ico.png

ico.png

4712 ms

box_tl.jpg

box_tl.jpg

5305 ms

weixin-icon.gif

weixin-icon.gif

4861 ms

sinalogo.png

sinalogo.png

5124 ms

down.png

down.png

5217 ms

weixin.png

weixin.png

8455 ms

nav_title.png

nav_title.png

5288 ms

ico_hd.gif

ico_hd.gif

5320 ms

qiang.gif

qiang.gif

6760 ms

n.png

n.png

5708 ms

ico_rexiao.gif

ico_rexiao.gif

5740 ms

ico_tehui.gif

ico_tehui.gif

5755 ms

ico_tuijian.gif

ico_tuijian.gif

5776 ms

hb.crm2.qq.com

hb.crm2.qq.com

2837 ms

hm.gif

hm.gif

874 ms

Accessibility Review

53dns.cn accessibility score

33

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.

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

Definition list items are not wrapped in <dl> elements

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

53dns.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

53dns.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

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 53dns.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 53dns.cn main page’s claimed encoding is gbk. 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

53dns.cn

Open Graph description is not detected on the main page of 53 Dns. 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: