Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

visualpower.cn

Shenzhen Visualpower Co.,Ltd|Creative LED Display|LED sphere display|round LED display|event rental LED display

Page Load Speed

7.9 sec in total

First Response

1 sec

Resources Loaded

6.4 sec

Page Rendered

429 ms

visualpower.cn screenshot

About Website

Welcome to visualpower.cn homepage info - get ready to check Visualpower best content right away, or after learning these important things about visualpower.cn

Visualpower creative led display|Geometric LED display|LED sphere display|stage rental led dispaly|nightclub design|round LED display|triangle LED display|event rental LED display

Visit visualpower.cn

Key Findings

We analyzed Visualpower.cn page load time and found that the first response time was 1 sec and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

visualpower.cn performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.216

58/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

www.visualpower.cn

1010 ms

style.css

197 ms

style.php

206 ms

style.min.css

250 ms

chaty-front.min.css

198 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 78% of them (61 requests) were addressed to the original Visualpower.cn, 21% (16 requests) were made to Pct.zoosnet.net and 1% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Visualpower.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.6 kB (8%)

Content Size

3.5 MB

After Optimization

3.2 MB

In fact, the total size of Visualpower.cn main page is 3.5 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. 35% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 59.4 kB

  • Original 73.8 kB
  • After minification 72.1 kB
  • After compression 14.5 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 59.4 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 61.0 kB

  • Original 3.1 MB
  • After minification 3.0 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. Visualpower images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 42.6 kB

  • Original 182.9 kB
  • After minification 182.9 kB
  • After compression 140.2 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 42.6 kB or 23% of the original size.

CSS Optimization

-79%

Potential reduce by 106.6 kB

  • Original 135.1 kB
  • After minification 135.0 kB
  • After compression 28.5 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. Visualpower.cn needs all CSS files to be minified and compressed as it can save up to 106.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (33%)

Requests Now

72

After Optimization

48

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Visualpower. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

visualpower.cn accessibility score

81

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

visualpower.cn 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

visualpower.cn SEO score

73

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

High

Document doesn't have a valid hreflang

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Visualpower.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Visualpower.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 Visualpower. 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: