Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

nxu.biz

nxu.biz

Page Load Speed

4.7 sec in total

First Response

463 ms

Resources Loaded

3.9 sec

Page Rendered

370 ms

nxu.biz screenshot

About Website

Welcome to nxu.biz homepage info - get ready to check Nxu best content for Hong Kong right away, or after learning these important things about nxu.biz

nxu.biz is a website to provide free services, tools and software for everyone. We hope our services and tools can help people do their job easily and feel comfortable. Please enjoy our free services ...

Visit nxu.biz

Key Findings

We analyzed Nxu.biz page load time and found that the first response time was 463 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

nxu.biz performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

nxu.biz

463 ms

nxu.biz

960 ms

animation.min.css

224 ms

main.min.css

444 ms

msg.min.css

655 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 93% of them (38 requests) were addressed to the original Nxu.biz, 2% (1 request) were made to Connect.facebook.net and 2% (1 request) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Nxu.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 176.5 kB (46%)

Content Size

384.0 kB

After Optimization

207.6 kB

In fact, the total size of Nxu.biz main page is 384.0 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. 20% of websites need less resources to load. Images take 201.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 19.1 kB

  • Original 24.8 kB
  • After minification 22.6 kB
  • After compression 5.7 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. 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 19.1 kB or 77% of the original size.

Image Optimization

-21%

Potential reduce by 41.9 kB

  • Original 201.4 kB
  • After minification 159.5 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, Nxu needs image optimization as it can save up to 41.9 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 61.2 kB

  • Original 95.6 kB
  • After minification 95.6 kB
  • After compression 34.4 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 61.2 kB or 64% of the original size.

CSS Optimization

-87%

Potential reduce by 54.3 kB

  • Original 62.3 kB
  • After minification 62.3 kB
  • After compression 8.0 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. Nxu.biz needs all CSS files to be minified and compressed as it can save up to 54.3 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (26%)

Requests Now

39

After Optimization

29

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nxu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nxu.biz accessibility score

62

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

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

nxu.biz 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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nxu.biz SEO score

77

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Nxu.biz 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 Nxu.biz 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

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