Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

vrp3d.com

【中视典】深圳市中视典数字科技有限公司

Page Load Speed

69.8 sec in total

First Response

4.2 sec

Resources Loaded

65 sec

Page Rendered

553 ms

vrp3d.com screenshot

About Website

Welcome to vrp3d.com homepage info - get ready to check Vrp 3 D best content for China right away, or after learning these important things about vrp3d.com

国产自主研发的虚拟现实引擎VR-Platform(VRP),数字孪生,虚拟现实软硬件定制,虚拟现实教学系统,虚拟现实展览展示产品,虚拟现实网络三维技术和数字营销系统。

Visit vrp3d.com

Key Findings

We analyzed Vrp3d.com page load time and found that the first response time was 4.2 sec and then it took 65.6 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 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

vrp3d.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value24.9 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

vrp3d.com

4245 ms

new_vrp3d.css

5223 ms

wpa.php

633 ms

jquery-1.9.1.js

7831 ms

gundong1.js

5096 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 91% of them (121 requests) were addressed to the original Vrp3d.com, 2% (3 requests) were made to Combo.b.qq.com and 2% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Vrp3d.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (27%)

Content Size

7.0 MB

After Optimization

5.1 MB

In fact, the total size of Vrp3d.com main page is 7.0 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. 40% of websites need less resources to load. Images take 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 63.6 kB

  • Original 81.0 kB
  • After minification 63.7 kB
  • After compression 17.5 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. This page needs HTML code to be minified as it can gain 17.3 kB, which is 21% 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 63.6 kB or 78% of the original size.

Image Optimization

-23%

Potential reduce by 1.5 MB

  • Original 6.5 MB
  • After minification 5.0 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. Obviously, Vrp 3 D needs image optimization as it can save up to 1.5 MB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 274.6 kB

  • Original 389.1 kB
  • After minification 256.9 kB
  • After compression 114.5 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 274.6 kB or 71% of the original size.

CSS Optimization

-82%

Potential reduce by 16.9 kB

  • Original 20.7 kB
  • After minification 18.4 kB
  • After compression 3.8 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. Vrp3d.com needs all CSS files to be minified and compressed as it can save up to 16.9 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (10%)

Requests Now

109

After Optimization

98

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vrp 3 D. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vrp3d.com accessibility score

85

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

vrp3d.com best practices score

83

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

High

Missing source maps for large first-party JavaScript

SEO Factors

vrp3d.com SEO score

85

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

Links do not have descriptive text

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

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 Vrp3d.com 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 Vrp3d.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 Vrp 3 D. 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: