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

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

vastdigi.en.alibaba.com

Shenzhen Vastdigi Technology Co., Ltd - USB Flash Drives, Power Banks

Page Load Speed

2.6 sec in total

First Response

79 ms

Resources Loaded

2.3 sec

Page Rendered

184 ms

vastdigi.en.alibaba.com screenshot

About Website

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

Shenzhen Vastdigi Technology Co., Ltd, Experts in Manufacturing and Exporting USB Flash Drives, Power Banks and 0 more Products.

Visit vastdigi.en.alibaba.com

Key Findings

We analyzed Vastdigi.en.alibaba.com page load time and found that the first response time was 79 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

vastdigi.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value4,720 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.525

14/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

vastdigi.en.alibaba.com

79 ms

vastdigi.en.alibaba.com

664 ms

77 ms

73 ms

header.css

138 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Vastdigi.en.alibaba.com, 46% (32 requests) were made to S.alicdn.com and 10% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.5 MB (60%)

Content Size

5.9 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vastdigi.en.alibaba.com main page is 5.9 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. Only a small number of websites need less resources to load. Javascripts take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 342.2 kB

  • Original 425.0 kB
  • After minification 421.1 kB
  • After compression 82.8 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 342.2 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 8.9 kB

  • Original 57.1 kB
  • After minification 48.2 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, Vastdigi En Alibaba needs image optimization as it can save up to 8.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 3.0 MB

  • Original 5.1 MB
  • After minification 5.1 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 3.0 MB or 59% of the original size.

CSS Optimization

-65%

Potential reduce by 203.3 kB

  • Original 315.1 kB
  • After minification 264.2 kB
  • After compression 111.8 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. Vastdigi.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 203.3 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (63%)

Requests Now

59

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vastdigi 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

vastdigi.en.alibaba.com

vastdigi.en.alibaba.com

79 ms

vastdigi.en.alibaba.com

vastdigi.en.alibaba.com

664 ms

77 ms

73 ms

header.css

header.css

138 ms

header.js

header.js

146 ms

74 ms

web-index.css

web-index.css

133 ms

web-index.css

web-index.css

145 ms

web-index.css

web-index.css

195 ms

web-index.css

web-index.css

193 ms

web-index.css

web-index.css

216 ms

383 ms

196 ms

index.js

index.js

212 ms

He3ebc37570d04025914c16513c0b574eq.jpg

He3ebc37570d04025914c16513c0b574eq.jpg

458 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

509 ms

Hefebccb9b61d463b981d20977115982dl.jpg

Hefebccb9b61d463b981d20977115982dl.jpg

268 ms

Hbc875e8f8b0445a193e3eb85dbfc165aZ.jpg_q80.jpg

Hbc875e8f8b0445a193e3eb85dbfc165aZ.jpg_q80.jpg

289 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

687 ms

H9c15fdad9ba646a4a7bb34d90ac001f7J.jpg

H9c15fdad9ba646a4a7bb34d90ac001f7J.jpg

670 ms

Hc1c53e5a89124d408026d869bbe6dd7cH.jpg

Hc1c53e5a89124d408026d869bbe6dd7cH.jpg

399 ms

awsc.js

awsc.js

186 ms

69 ms

personTipsInfo.do

personTipsInfo.do

212 ms

eg.js

eg.js

189 ms

80 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

122 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

79 ms

roboto-regular.woff

roboto-regular.woff

126 ms

roboto-medium.woff

roboto-medium.woff

150 ms

roboto-light.woff

roboto-light.woff

149 ms

roboto-thin.woff

roboto-thin.woff

148 ms

roboto-bold.woff

roboto-bold.woff

279 ms

270 ms

icon-font.woff

icon-font.woff

225 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

135 ms

sc.globalxman.appscene

sc.globalxman.appscene

49 ms

et_n.js

et_n.js

68 ms

um.js

um.js

159 ms

footer.css

footer.css

29 ms

light0.5x.png

light0.5x.png

94 ms

pages_version.html

pages_version.html

337 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

62 ms

defer-common.js

defer-common.js

131 ms

i.alicdn.com

i.alicdn.com

130 ms

index.js

index.js

60 ms

index.js

index.js

46 ms

index.js

index.js

91 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

56 ms

7.gif

7.gif

56 ms

index.js

index.js

212 ms

wu.json

wu.json

332 ms

baxiaCommon.js

baxiaCommon.js

53 ms

rp

rp

1288 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

172 ms

index.js

index.js

138 ms

store-proxy.html

store-proxy.html

114 ms

countryCurrencyDataService

countryCurrencyDataService

134 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

95 ms

personRoleInfo.do

personRoleInfo.do

93 ms

notification.do

notification.do

120 ms

index.css

index.css

19 ms

index.web.css

index.web.css

15 ms

index.web.js

index.web.js

42 ms

availableSurveyQuery.json

availableSurveyQuery.json

49 ms

iconfont.woff

iconfont.woff

9 ms

iconfont.woff

iconfont.woff

17 ms

um.json

um.json

52 ms

getUmid.do

getUmid.do

11 ms

Accessibility Review

vastdigi.en.alibaba.com accessibility score

72

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

vastdigi.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

vastdigi.en.alibaba.com SEO score

86

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 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 Vastdigi.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 Vastdigi.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

vastdigi.en.alibaba.com

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