Tools & Wizards About Us
no1dns.com screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

no1dns.com

第一数据 - 基于云计算的专业数据服务商

Page Load Speed

8.3 sec in total

First Response

887 ms

Resources Loaded

7.2 sec

Page Rendered

202 ms

no1dns.com screenshot

About Website

Welcome to no1dns.com homepage info - get ready to check No 1 Dns best content for China right away, or after learning these important things about no1dns.com

第一数据坚守“专业品质、服务为本、诚信经营、恪守信誉”的核心价值观，为广大用户提供数据分析、企业邮箱、域名注册、网站建设等丰富的全方位信息化网络产品服务。

Visit no1dns.com

Key Findings

We analyzed No1dns.com page load time and found that the first response time was 887 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

no1dns.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.247

50/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

no1dns.com

887 ms

no1dns.com

840 ms

www.no1dns.com

851 ms

www.no1dns.com

835 ms

font_1405021_sgrr6jninla.css

20 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original No1dns.com, 6% (2 requests) were made to At.alicdn.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain No1dns.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.7 kB (8%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of No1dns.com main page is 1.4 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 31.8 kB

  • Original 36.5 kB
  • After minification 18.5 kB
  • After compression 4.8 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. This page needs HTML code to be minified as it can gain 18.1 kB, which is 49% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 31.8 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 33.4 kB

  • Original 1.2 MB
  • After minification 1.2 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. No 1 Dns images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 41.2 kB

  • Original 84.7 kB
  • After minification 77.9 kB
  • After compression 43.5 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 41.2 kB or 49% of the original size.

CSS Optimization

-17%

Potential reduce by 5.3 kB

  • Original 30.7 kB
  • After minification 30.7 kB
  • After compression 25.4 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. No1dns.com needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (15%)

Requests Now

26

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of No 1 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

no1dns.com

no1dns.com

887 ms

no1dns.com

no1dns.com

840 ms

www.no1dns.com

www.no1dns.com

851 ms

www.no1dns.com

www.no1dns.com

835 ms

font_1405021_sgrr6jninla.css

font_1405021_sgrr6jninla.css

20 ms

style.css

style.css

205 ms

animates.css

animates.css

412 ms

jquery.min.js

jquery.min.js

1022 ms

jquery.bxslider.js

jquery.bxslider.js

618 ms

main.js

main.js

614 ms

index.js

index.js

633 ms

wow.js

wow.js

649 ms

649 ms

dylogo.png

dylogo.png

421 ms

003.png

003.png

2742 ms

02.png

02.png

1469 ms

kh1.png

kh1.png

532 ms

kh2.png

kh2.png

324 ms

kh3.png

kh3.png

499 ms

kh4.png

kh4.png

849 ms

kh5.png

kh5.png

753 ms

kh6.png

kh6.png

850 ms

kh7.png

kh7.png

834 ms

kh8.png

kh8.png

1024 ms

footer_bubble.png

footer_bubble.png

1515 ms

erw.jpg

erw.jpg

1421 ms

ewm.jpg

ewm.jpg

1420 ms

1.jpg

1.jpg

1530 ms

21.jpg

21.jpg

1864 ms

footer_bg.jpg

footer_bg.jpg

1626 ms

font_1405021_sgrr6jninla.woff

font_1405021_sgrr6jninla.woff

862 ms

bx_loader.gif

bx_loader.gif

1614 ms

Accessibility Review

no1dns.com accessibility score

52

Accessibility Issues

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

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

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

no1dns.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

no1dns.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 No1dns.com 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 No1dns.com 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

no1dns.com

Open Graph description is not detected on the main page of No 1 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: