Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ledchina-sh.com

第24届上海国际LED展 | 9月17-19日，上海浦东新国际博览中心

Page Load Speed

11.1 sec in total

First Response

675 ms

Resources Loaded

10 sec

Page Rendered

404 ms

About Website

Welcome to ledchina-sh.com homepage info - get ready to check Ledchina Sh best content for Kazakhstan right away, or after learning these important things about ledchina-sh.com

上海国际广告展SIGN CHINA创办于2003年，被业界誉为全球广告标识行业“奥斯卡”年度盛会，覆盖广告标识及数字标牌全产业链，每年到场买家超过100个国家和地区，是全球超高影响力、超高层次的行业盛会之一。

Visit ledchina-sh.com

Key Findings

We analyzed Ledchina-sh.com page load time and found that the first response time was 675 ms and then it took 10.4 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

ledchina-sh.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value19.9 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.467

19/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

ledchina-sh.com

675 ms

www.ledchina-sh.com

1569 ms

swiper.min.css

237 ms

style.css

475 ms

index.css

682 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 23% of them (37 requests) were addressed to the original Ledchina-sh.com, 77% (123 requests) were made to Trust-data.oss-cn-shenzhen.aliyuncs.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Ledchina-sh.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 359.1 kB (14%)

Content Size

2.6 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ledchina-sh.com main page is 2.6 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 57.9 kB

  • Original 68.0 kB
  • After minification 58.5 kB
  • After compression 10.1 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 9.5 kB, which is 14% 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 57.9 kB or 85% of the original size.

Image Optimization

-12%

Potential reduce by 274.0 kB

  • Original 2.4 MB
  • After minification 2.1 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. Obviously, Ledchina Sh needs image optimization as it can save up to 274.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 9.1 kB

  • Original 87.0 kB
  • After minification 87.0 kB
  • After compression 77.9 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.

CSS Optimization

-63%

Potential reduce by 18.0 kB

  • Original 28.7 kB
  • After minification 26.5 kB
  • After compression 10.7 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. Ledchina-sh.com needs all CSS files to be minified and compressed as it can save up to 18.0 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (5%)

Requests Now

158

After Optimization

150

  • Images
  • JavaScript
  • CSS

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ledchina Sh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ledchina-sh.com accessibility score

54

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

Image elements do not have [alt] attributes

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

ledchina-sh.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ledchina-sh.com SEO score

92

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

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 uses legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ledchina-sh.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Ledchina-sh.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 Ledchina Sh. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: