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nta.cn screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

nta.cn

nta.cn

Page Load Speed

30.6 sec in total

First Response

541 ms

Resources Loaded

29.8 sec

Page Rendered

204 ms

nta.cn screenshot

About Website

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

Visit nta.cn

Key Findings

We analyzed Nta.cn page load time and found that the first response time was 541 ms and then it took 30 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 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

nta.cn performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

nta.cn

541 ms

www.nnt.cn

19578 ms

mobile.js

3700 ms

global.css

19920 ms

index.css

19921 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 9% of them (1 request) were addressed to the original Nta.cn, 91% (10 requests) were made to Nnt.cn. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Nnt.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.1 kB (58%)

Content Size

29.6 kB

After Optimization

12.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nta.cn main page is 29.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Javascripts take 21.4 kB which makes up the majority of the site volume.

HTML Optimization

-35%

Potential reduce by 174 B

  • Original 491 B
  • After minification 489 B
  • After compression 317 B

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 174 B or 35% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 3.2 kB
  • After minification 3.2 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. Nta images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 13.7 kB

  • Original 21.4 kB
  • After minification 21.4 kB
  • After compression 7.7 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 13.7 kB or 64% of the original size.

CSS Optimization

-72%

Potential reduce by 3.2 kB

  • Original 4.5 kB
  • After minification 3.8 kB
  • After compression 1.3 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. Nta.cn needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (83%)

Requests Now

6

After Optimization

1

  • JavaScript

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nta.cn

nta.cn

541 ms

www.nnt.cn

www.nnt.cn

19578 ms

mobile.js

mobile.js

3700 ms

global.css

global.css

19920 ms

index.css

index.css

19921 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

19950 ms

imglazyload.js

imglazyload.js

821 ms

global.js

global.js

1233 ms

gotop.js

gotop.js

4307 ms

focus.js

focus.js

6492 ms

index.js

index.js

4686 ms

Accessibility Review

nta.cn accessibility score

48

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

Document doesn't have a <title> element

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

nta.cn 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nta.cn SEO score

46

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

Document doesn't have a <title> element

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

    N/A

  • Encoding

    UTF-8

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

nta.cn

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