Tools & Wizards About Us
njz.cn screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

njz.cn

njz.cn - The domain is available for purchase

Page Load Speed

20.6 sec in total

First Response

999 ms

Resources Loaded

19.4 sec

Page Rendered

155 ms

njz.cn screenshot

About Website

Visit njz.cn now to see the best up-to-date Njz content and also check out these interesting facts you probably never knew about njz.cn

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Key Findings

We analyzed Njz.cn page load time and found that the first response time was 999 ms and then it took 19.6 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.

Performance Metrics

njz.cn performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.418

23/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

njz.cn

999 ms

jquery.js

6497 ms

welcome.gif

973 ms

backimg.jpg

1336 ms

contact_img.gif

1681 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 11% of them (1 request) were addressed to the original Njz.cn, 33% (3 requests) were made to 4.cn and 22% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (7.3 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.9 kB (49%)

Content Size

93.5 kB

After Optimization

47.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Njz.cn main page is 93.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 81.5 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.5 kB

  • Original 8.2 kB
  • After minification 7.1 kB
  • After compression 2.7 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. This page needs HTML code to be minified as it can gain 1.1 kB, which is 14% 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 5.5 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 18 B

  • Original 3.8 kB
  • After minification 3.7 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. Njz images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 40.3 kB

  • Original 81.5 kB
  • After minification 81.5 kB
  • After compression 41.2 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 40.3 kB or 49% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Njz. According to our analytics all requests are already optimized.

Network Requests Diagram

njz.cn

njz.cn

999 ms

jquery.js

jquery.js

6497 ms

welcome.gif

welcome.gif

973 ms

backimg.jpg

backimg.jpg

1336 ms

contact_img.gif

contact_img.gif

1681 ms

h.js

h.js

7259 ms

21.gif

21.gif

879 ms

hm.gif

hm.gif

316 ms

button_old_31.gif

button_old_31.gif

492 ms

Accessibility Review

njz.cn accessibility score

40

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.

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

njz.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

njz.cn SEO score

75

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Njz.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Njz.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

njz.cn

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