Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% 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

79.6 sec in total

First Response

7.2 sec

Resources Loaded

72 sec

Page Rendered

423 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 7.2 sec and then it took 72.4 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. Unfortunately, there were 18 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

unilumin.cn performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value270 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.108

88/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

unilumin.cn

7185 ms

bootstrap.min.css

1509 ms

fontello.css

5965 ms

flexslider.css

1011 ms

settings.css

4770 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 72% of them (59 requests) were addressed to the original Unilumin.cn, 12% (10 requests) were made to Bdimg.share.baidu.com and 4% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Unilumin.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 809.9 kB (31%)

Content Size

2.6 MB

After Optimization

1.8 MB

In fact, the total size of Unilumin.cn 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. 25% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 46.8 kB

  • Original 58.4 kB
  • After minification 45.5 kB
  • After compression 11.6 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 13.0 kB, which is 22% 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 46.8 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 71.1 kB

  • Original 1.6 MB
  • After minification 1.5 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

-66%

Potential reduce by 422.7 kB

  • Original 636.2 kB
  • After minification 603.6 kB
  • After compression 213.5 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 422.7 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 269.4 kB

  • Original 313.0 kB
  • After minification 235.8 kB
  • After compression 43.7 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. Unilumin.cn needs all CSS files to be minified and compressed as it can save up to 269.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (64%)

Requests Now

59

After Optimization

21

The browser has sent 59 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 32 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

unilumin.cn accessibility score

92

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

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

83

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

SEO Factors

unilumin.cn SEO score

86

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

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

    N/A

  • 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 neither this language nor any other was claimed in <html> or <meta> tags. 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: