Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

nexlen.com

頂尖國際科技及保安品牌經銷商 | NexLen International ltd. | Hong Kong

Page Load Speed

3.7 sec in total

First Response

61 ms

Resources Loaded

3.6 sec

Page Rendered

57 ms

About Website

Welcome to nexlen.com homepage info - get ready to check Nex Len best content right away, or after learning these important things about nexlen.com

NexLen International Ltd 代理多個頂尖國際科技及保安品牌，如Hikvision，Pelco，IndigoVision，Ekey，Ruijie，WatchGuard，Magnificent，Hartmann Tresore，ESG，Dea Security，Nemtek，Magos，AST等等，全面支援監控系統，門禁系統，周邊防禦措施，防盜防暴產品：保險箱，安防大門，安全玻璃...

Visit nexlen.com

Key Findings

We analyzed Nexlen.com page load time and found that the first response time was 61 ms and then it took 3.7 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

nexlen.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value6.7 s

37/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

www.nexlen.com

61 ms

minified.js

36 ms

focus-within-polyfill.js

34 ms

polyfill.min.js

1101 ms

js

132 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Nexlen.com, 63% (64 requests) were made to Static.wixstatic.com and 21% (21 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 820.2 kB (19%)

Content Size

4.4 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nexlen.com main page is 4.4 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. 60% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 794.1 kB

  • Original 954.0 kB
  • After minification 952.1 kB
  • After compression 160.0 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 794.1 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 22.5 kB

  • Original 3.2 MB
  • After minification 3.2 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. Nex Len images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 248.4 kB
  • After minification 248.4 kB
  • After compression 244.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 11 (14%)

Requests Now

80

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nex Len. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nexlen.com accessibility score

89

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

nexlen.com 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nexlen.com SEO score

100

Search Engine Optimization Advices

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 Nexlen.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 Nexlen.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

Open Graph data is detected on the main page of Nex Len. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: