Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

unilumin.cn

LED显示屏-户外高清全彩屏-室内电子屏幕生产厂家-洲明科技

Page Load Speed

21.6 sec in total

First Response

694 ms

Resources Loaded

20.4 sec

Page Rendered

448 ms

unilumin.cn screenshot

About Website

Welcome to unilumin.cn homepage info - get ready to check Unilumin best content for China right away, or after learning these important things about unilumin.cn

深圳市洲明科技股份有限公司是一家专业的LED显示屏,户外高清全彩屏,室内电子屏幕生产厂家,旗下拥有30多家控参股公司,营销网络和经典案例遍布全球.

Visit unilumin.cn

Key Findings

We analyzed Unilumin.cn page load time and found that the first response time was 694 ms and then it took 20.9 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

unilumin.cn performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value38.7 s

0/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.108

88/100

15%

TTI (Time to Interactive)

Value48.7 s

0/100

10%

Network Requests Diagram

unilumin.cn

694 ms

unilumin.cn

1517 ms

font_1385784_6qjxddiuw1c.css

17 ms

font_1385784_6d52i0js25.css

20 ms

font_1685019_lmkdgmqpq4.css

20 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 81% of them (129 requests) were addressed to the original Unilumin.cn, 5% (8 requests) were made to At.alicdn.com and 3% (4 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (9.2 sec) belongs to the original domain Unilumin.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (8%)

Content Size

12.9 MB

After Optimization

11.8 MB

In fact, the total size of Unilumin.cn main page is 12.9 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. 55% of websites need less resources to load. Images take 12.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 135.1 kB

  • Original 156.5 kB
  • After minification 108.7 kB
  • After compression 21.4 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 47.8 kB, which is 31% 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 135.1 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 890.2 kB

  • Original 12.5 MB
  • After minification 11.6 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. Unilumin images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 20.2 kB

  • Original 177.3 kB
  • After minification 177.3 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 20.2 kB or 11% of the original size.

CSS Optimization

-1%

Potential reduce by 681 B

  • Original 49.5 kB
  • After minification 49.5 kB
  • After compression 48.8 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. Unilumin.cn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (19%)

Requests Now

152

After Optimization

123

The browser has sent 152 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Unilumin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

unilumin.cn accessibility score

86

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

Image elements do not have [alt] attributes

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

unilumin.cn 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

Browser errors were logged to the console

SEO Factors

unilumin.cn SEO score

87

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

High

Tap targets are not sized appropriately

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 Unilumin.cn 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 Unilumin.cn 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 Unilumin. 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: