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

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

vsdigit.en.alibaba.com

Shenzhen Vision Electronics Co., Ltd. - Video Brochure, USB Flash Drive

Page Load Speed

3.8 sec in total

First Response

247 ms

Resources Loaded

3 sec

Page Rendered

464 ms

vsdigit.en.alibaba.com screenshot

About Website

Welcome to vsdigit.en.alibaba.com homepage info - get ready to check Vsdigit En Alibaba best content for China right away, or after learning these important things about vsdigit.en.alibaba.com

Shenzhen Vision Electronics Co., Ltd., Experts in Manufacturing and Exporting Video Brochure, USB Flash Drive and 0 more Products.

Visit vsdigit.en.alibaba.com

Key Findings

We analyzed Vsdigit.en.alibaba.com page load time and found that the first response time was 247 ms and then it took 3.5 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

vsdigit.en.alibaba.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value4,340 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.937

3/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

vsdigit.en.alibaba.com

247 ms

vsdigit.en.alibaba.com

908 ms

51 ms

80 ms

header.css

89 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Vsdigit.en.alibaba.com, 67% (77 requests) were made to S.alicdn.com and 6% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.1 MB (60%)

Content Size

6.9 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vsdigit.en.alibaba.com main page is 6.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 758.4 kB

  • Original 892.1 kB
  • After minification 888.2 kB
  • After compression 133.8 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 758.4 kB or 85% of the original size.

Image Optimization

-29%

Potential reduce by 183.7 kB

  • Original 643.9 kB
  • After minification 460.2 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. Obviously, Vsdigit En Alibaba needs image optimization as it can save up to 183.7 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 2.9 MB

  • Original 4.9 MB
  • After minification 4.9 MB
  • After compression 2.1 MB

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 2.9 MB or 58% of the original size.

CSS Optimization

-72%

Potential reduce by 295.9 kB

  • Original 410.3 kB
  • After minification 359.5 kB
  • After compression 114.5 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. Vsdigit.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 295.9 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (42%)

Requests Now

104

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vsdigit 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 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vsdigit.en.alibaba.com

vsdigit.en.alibaba.com

247 ms

vsdigit.en.alibaba.com

vsdigit.en.alibaba.com

908 ms

51 ms

80 ms

header.css

header.css

89 ms

header.js

header.js

177 ms

178 ms

web-index.css

web-index.css

85 ms

web-index.css

web-index.css

87 ms

web-index.css

web-index.css

86 ms

web-index.css

web-index.css

94 ms

web-index.css

web-index.css

95 ms

148 ms

142 ms

index.js

index.js

142 ms

62 ms

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755 ms

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526 ms

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346 ms

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451 ms

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315 ms

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451 ms

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319 ms

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315 ms

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540 ms

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476 ms

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686 ms

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286 ms

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385 ms

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873 ms

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507 ms

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526 ms

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616 ms

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502 ms

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631 ms

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616 ms

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662 ms

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802 ms

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1098 ms

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817 ms

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776 ms

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855 ms

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885 ms

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1020 ms

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954 ms

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1019 ms

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1096 ms

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877 ms

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994 ms

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1017 ms

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714 ms

roboto-regular.woff

roboto-regular.woff

860 ms

roboto-medium.woff

roboto-medium.woff

888 ms

roboto-light.woff

roboto-light.woff

888 ms

roboto-thin.woff

roboto-thin.woff

888 ms

roboto-bold.woff

roboto-bold.woff

770 ms

personTipsInfo.do

personTipsInfo.do

94 ms

awsc.js

awsc.js

91 ms

51 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

177 ms

icon-font.woff

icon-font.woff

675 ms

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841 ms

footer.css

footer.css

704 ms

eg.js

eg.js

136 ms

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747 ms

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813 ms

et_n.js

et_n.js

5 ms

um.js

um.js

124 ms

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818 ms

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955 ms

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956 ms

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914 ms

wu.json

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19 ms

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4 ms

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3 ms

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7 ms

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10 ms

rp

rp

1671 ms

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1387 ms

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59 ms

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886 ms

getUmid.do

getUmid.do

30 ms

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light0.5x.png

light0.5x.png

380 ms

pages_version.html

pages_version.html

52 ms

sc.sc_header_footer.schd_coms

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39 ms

defer-common.js

defer-common.js

55 ms

i.alicdn.com

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52 ms

index.js

index.js

335 ms

index.web.css

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298 ms

index.web.js

index.web.js

350 ms

index.js

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223 ms

store-proxy.html

store-proxy.html

140 ms

countryCurrencyDataService

countryCurrencyDataService

210 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

98 ms

personRoleInfo.do

personRoleInfo.do

133 ms

notification.do

notification.do

174 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

97 ms

availableSurveyQuery.json

availableSurveyQuery.json

52 ms

iconfont.woff

iconfont.woff

34 ms

iconfont.woff

iconfont.woff

5 ms

index.js

index.js

37 ms

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index.css

9 ms

Accessibility Review

vsdigit.en.alibaba.com accessibility score

47

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

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

High

Image elements do not have [alt] attributes

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.

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

vsdigit.en.alibaba.com 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

vsdigit.en.alibaba.com SEO score

79

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

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 doesn't use 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 Vsdigit.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 Vsdigit.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

vsdigit.en.alibaba.com

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