Access dns99.cn. 亿流网络DNS99.CN-服务器租用托管|云主机|VPS|虚拟主机|域名注册|企业邮局|建站免费试用| 为您提供更好的服务

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

dns99.cn

1764 ms

jquery.js

2892 ms

index_zy.css

839 ms

index2011.css

877 ms

main.css

880 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 81% of them (87 requests) were addressed to the original Dns99.cn, 7% (8 requests) were made to Pub.idqqimg.com and 5% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (19.5 sec) relates to the external source Wpa.qq.com.

Content Size

357.7 kB

After Optimization

141.5 kB

In fact, the total size of Dns99.cn main page is 357.7 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 136.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 60.2 kB

Original 73.5 kB
After minification 67.4 kB
After compression 13.3 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 60.2 kB or 82% of the original size.

Image Optimization

-40%

Potential reduce by 54.6 kB

Original 136.1 kB
After minification 81.5 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, Dns 99 needs image optimization as it can save up to 54.6 kB or 40% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 56.1 kB

Original 91.1 kB
After minification 90.9 kB
After compression 35.0 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 56.1 kB or 62% of the original size.

CSS Optimization

-80%

Potential reduce by 45.4 kB

Original 57.0 kB
After minification 46.2 kB
After compression 11.7 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. Dns99.cn needs all CSS files to be minified and compressed as it can save up to 45.4 kB or 80% of the original size.

Requests Now

103

After Optimization

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dns 99. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dns99.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 Dns99.cn 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

dns99.cn

Open Graph description is not detected on the main page of Dns 99. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

亿流网络DNS99.CN-服务器租用托管|云主机|VPS|虚拟主机|域名注册|企业邮局|建站免费试用| 为您提供更好的服务

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

dns99.cn

jquery.js

index_zy.css

index2011.css

main.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

dns99.cn

jquery.js

index_zy.css

index2011.css

main.css

member.css

jquery-ui.css

getonline

count.js

beian.js

pa

pa

top-bg.gif

beian.jpg

usa.gif

hk.gif

wt.gif

dx.gif

logo.gif

user.gif

denlu.gif

zhuce.gif

forget.gif

alipaylogins.png

400-2.gif

2011_nav_bar.gif

nav2.gif

top_6.png

wx_s.png

nav4.gif

wxewm.gif

index_cxn.gif

domain_q1.gif

domain_q_btn1.gif

r_01.gif

domain_q2.gif

domain_q_btn2.gif

c_index_banner.gif

arrow_2.gif

ser_logo.gif

more.gif

k1.gif

WCL_i1.gif