Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

cnledsourcing.com

China LED Display Quality Agent, LED Screen, LED Curtain and LED Lighting Shop

Page Load Speed

13 sec in total

First Response

571 ms

Resources Loaded

12.2 sec

Page Rendered

277 ms

cnledsourcing.com screenshot

About Website

Welcome to cnledsourcing.com homepage info - get ready to check Cn LED Sourcing best content for Russia right away, or after learning these important things about cnledsourcing.com

China LED Display Quality Agent, Indoor LED Display, Outdoor LED Display, Rental LED Display, LED Screen, LED Curtain, LED Sign, LED Lighting and LCD Advertising Display Shop Offers Top Quality Produc...

Visit cnledsourcing.com

Key Findings

We analyzed Cnledsourcing.com page load time and found that the first response time was 571 ms and then it took 12.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cnledsourcing.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

cnledsourcing.com

571 ms

386 ms

390 ms

jquery-1.8.3.min.js

483 ms

slide.js

413 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 61% of them (67 requests) were addressed to the original Cnledsourcing.com, 11% (12 requests) were made to Sysimages.tq.cn and 4% (4 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (5.7 sec) relates to the external source Sysimages.tq.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 483.0 kB (48%)

Content Size

998.6 kB

After Optimization

515.6 kB

In fact, the total size of Cnledsourcing.com main page is 998.6 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. 40% of websites need less resources to load. Javascripts take 540.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 47.5 kB

  • Original 59.5 kB
  • After minification 55.6 kB
  • After compression 12.0 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 47.5 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 28.8 kB

  • Original 370.7 kB
  • After minification 341.9 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. Cn LED Sourcing images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 382.9 kB

  • Original 540.0 kB
  • After minification 537.4 kB
  • After compression 157.1 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 382.9 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 23.7 kB

  • Original 28.4 kB
  • After minification 27.5 kB
  • After compression 4.6 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. Cnledsourcing.com needs all CSS files to be minified and compressed as it can save up to 23.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (50%)

Requests Now

103

After Optimization

52

The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn LED Sourcing. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cnledsourcing.com accessibility score

73

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.

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

cnledsourcing.com 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

cnledsourcing.com SEO score

75

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnledsourcing.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cnledsourcing.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 Cn LED Sourcing. 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: