Tools & Wizards About Us
vividstorm.en.alibaba.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

vividstorm.en.alibaba.com

Page Load Speed

3.8 sec in total

First Response

379 ms

Resources Loaded

3 sec

Page Rendered

379 ms

vividstorm.en.alibaba.com screenshot

About Website

Click here to check amazing Vividstorm En Alibaba content for China. Otherwise, check out these important facts you probably never knew about vividstorm.en.alibaba.com

Huizhou Vividstorm Film And Television Equipment Co., Ltd. Products:projection screen,home cinema screen,projector screen,TV cabinet,Fixed frame screen

Visit vividstorm.en.alibaba.com

Key Findings

We analyzed Vividstorm.en.alibaba.com page load time and found that the first response time was 379 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

vividstorm.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value9,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

vividstorm.en.alibaba.com

379 ms

vividstorm.en.alibaba.com

336 ms

47 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

96 ms

index.js

204 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Vividstorm.en.alibaba.com, 58% (19 requests) were made to S.alicdn.com and 9% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 858.0 kB (47%)

Content Size

1.8 MB

After Optimization

970.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vividstorm.en.alibaba.com main page is 1.8 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. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 314.6 kB

  • Original 394.1 kB
  • After minification 393.4 kB
  • After compression 79.5 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 314.6 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 468 B

  • Original 6.7 kB
  • After minification 6.2 kB

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. Vividstorm En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 542.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.2 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 542.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (77%)

Requests Now

31

After Optimization

7

  • AJAX
  • Images
  • JavaScript

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vividstorm En Alibaba. 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.

Network Requests Diagram

vividstorm.en.alibaba.com

vividstorm.en.alibaba.com

379 ms

vividstorm.en.alibaba.com

vividstorm.en.alibaba.com

336 ms

47 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

96 ms

index.js

index.js

204 ms

index.js

index.js

131 ms

renderHeader.js

renderHeader.js

156 ms

awsc.js

awsc.js

119 ms

39 ms

H96c67a1e48754531919d3a483b16a722w.jpg

H96c67a1e48754531919d3a483b16a722w.jpg

460 ms

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

73 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

78 ms

7.gif

7.gif

207 ms

Hfbf7cd3483a54d99b7e6ba02d8d397c73.jpg

Hfbf7cd3483a54d99b7e6ba02d8d397c73.jpg

2279 ms

H63f8a6be1f9647daa3b0db1bdb7023b0h.jpg

H63f8a6be1f9647daa3b0db1bdb7023b0h.jpg

595 ms

Hcad585a498e946ee8bc3c9da50ae6a6cy.jpg

Hcad585a498e946ee8bc3c9da50ae6a6cy.jpg

368 ms

H43e7a3c9d09f47ffa30eb380859f3181o.jpg

H43e7a3c9d09f47ffa30eb380859f3181o.jpg

502 ms

H4d56a0eabc5b486d9d534f11dbfedea3Q.jpg

H4d56a0eabc5b486d9d534f11dbfedea3Q.jpg

703 ms

H38adb83ebbd2471a9e25fa263e807d3ft.jpg

H38adb83ebbd2471a9e25fa263e807d3ft.jpg

268 ms

H3164ca489b1e4a21a253ef88d2028a47z.jpg

H3164ca489b1e4a21a253ef88d2028a47z.jpg

1130 ms

H04c5505fefdd424391f639f9bbf4435aJ.jpg

H04c5505fefdd424391f639f9bbf4435aJ.jpg

815 ms

H9c1082f9499041b88931b4f1e3dfb06f7.jpg

H9c1082f9499041b88931b4f1e3dfb06f7.jpg

1187 ms

Heb74d89a016d4020bb362bc694f4b28aU.jpg

Heb74d89a016d4020bb362bc694f4b28aU.jpg

1138 ms

He30cc37bf177480bb59829cddd639774V.jpg

He30cc37bf177480bb59829cddd639774V.jpg

1442 ms

H49d856eeff6b486fb2c6fbb8035c9d65f.jpg

H49d856eeff6b486fb2c6fbb8035c9d65f.jpg

1165 ms

H3ad7185fb2c9435c917c718cfdc5b3c2U.jpg

H3ad7185fb2c9435c917c718cfdc5b3c2U.jpg

1924 ms

et_n.js

et_n.js

40 ms

um.js

um.js

161 ms

wu.json

wu.json

25 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

97 ms

eg.js

eg.js

3 ms

index.js

index.js

3 ms

Accessibility Review

vividstorm.en.alibaba.com accessibility score

75

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

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

vividstorm.en.alibaba.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vividstorm.en.alibaba.com SEO score

93

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vividstorm.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vividstorm.en.alibaba.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

vividstorm.en.alibaba.com

Open Graph data is detected on the main page of Vividstorm En Alibaba. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: