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nzg.com.cn screenshot

Report Summary

  • 0

    Performance

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

nzg.com.cn

Page Load Speed

6.4 sec in total

First Response

737 ms

Resources Loaded

5.5 sec

Page Rendered

136 ms

nzg.com.cn screenshot

About Website

Click here to check amazing Nzg content. Otherwise, check out these important facts you probably never knew about nzg.com.cn

nzg.com.cn

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Key Findings

We analyzed Nzg.com.cn page load time and found that the first response time was 737 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

nzg.com.cn performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

nzg.com.cn

737 ms

jquery.js

2928 ms

18629952.js

1974 ms

welcome.gif

1833 ms

backimg.jpg

795 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 14% of them (1 request) were addressed to the original Nzg.com.cn, 43% (3 requests) were made to 4.cn and 14% (1 request) were made to Libs.baidu.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Libs.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.0 kB (49%)

Content Size

94.1 kB

After Optimization

48.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nzg.com.cn main page is 94.1 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. Only 5% of websites need less resources to load. Javascripts take 83.5 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 4.5 kB

  • Original 6.9 kB
  • After minification 5.7 kB
  • After compression 2.4 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 1.2 kB, which is 17% 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 4.5 kB or 65% 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. Nzg images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 41.5 kB

  • Original 83.5 kB
  • After minification 83.5 kB
  • After compression 42.0 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 41.5 kB or 50% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nzg. According to our analytics all requests are already optimized.

Network Requests Diagram

nzg.com.cn

nzg.com.cn

737 ms

jquery.js

jquery.js

2928 ms

18629952.js

18629952.js

1974 ms

welcome.gif

welcome.gif

1833 ms

backimg.jpg

backimg.jpg

795 ms

contact_img.gif

contact_img.gif

921 ms

icon_0.gif

icon_0.gif

629 ms

Accessibility Review

nzg.com.cn accessibility score

68

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

<frame> or <iframe> elements do not have a title

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

Best Practices

nzg.com.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

nzg.com.cn SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nzg.com.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Nzg.com.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

nzg.com.cn

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