Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

lighting.cnledw.com

LED网—LED行业门户网站

Page Load Speed

31.9 sec in total

First Response

4.8 sec

Resources Loaded

26.5 sec

Page Rendered

519 ms

lighting.cnledw.com screenshot

About Website

Welcome to lighting.cnledw.com homepage info - get ready to check Lighting Cnledw best content for Taiwan right away, or after learning these important things about lighting.cnledw.com

LED网是LED行业的门户网站,提供micro LED、miniLED等LED产业和市场资讯。

Visit lighting.cnledw.com

Key Findings

We analyzed Lighting.cnledw.com page load time and found that the first response time was 4.8 sec and then it took 27 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

lighting.cnledw.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

lighting.cnledw.com

4824 ms

global.css

2100 ms

layout.css

1351 ms

jquery.js

2961 ms

common.js

1344 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 40% of them (20 requests) were addressed to the original Lighting.cnledw.com, 18% (9 requests) were made to Pos.baidu.com and 16% (8 requests) were made to Cnledw.com. The less responsive or slowest element that took the longest time to load (16 sec) relates to the external source Cert.ebs.gov.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.9 kB (22%)

Content Size

952.4 kB

After Optimization

739.5 kB

In fact, the total size of Lighting.cnledw.com main page is 952.4 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. 30% of websites need less resources to load. Images take 711.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 38.3 kB

  • Original 46.2 kB
  • After minification 31.5 kB
  • After compression 7.9 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 14.6 kB, which is 32% 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 38.3 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 53.7 kB

  • Original 711.0 kB
  • After minification 657.3 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. Lighting Cnledw images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 100.6 kB

  • Original 169.6 kB
  • After minification 167.5 kB
  • After compression 69.1 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 100.6 kB or 59% of the original size.

CSS Optimization

-80%

Potential reduce by 20.3 kB

  • Original 25.5 kB
  • After minification 21.9 kB
  • After compression 5.2 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. Lighting.cnledw.com needs all CSS files to be minified and compressed as it can save up to 20.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (33%)

Requests Now

45

After Optimization

30

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lighting Cnledw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lighting.cnledw.com accessibility score

85

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

Best Practices

lighting.cnledw.com best practices score

75

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

SEO Factors

lighting.cnledw.com SEO score

67

Search Engine Optimization Advices

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 Lighting.cnledw.com 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 Lighting.cnledw.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 description is not detected on the main page of Lighting Cnledw. 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: