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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

vjoycar.en.alibaba.com

Shenzhen Vjoy Car Electronics Limited - gps tracker, hud

Page Load Speed

2.7 sec in total

First Response

78 ms

Resources Loaded

2.2 sec

Page Rendered

413 ms

vjoycar.en.alibaba.com screenshot

About Website

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

Shenzhen Vjoy Car Electronics Limited, Experts in Manufacturing and Exporting gps tracker, hud and 0 more Products.

Visit vjoycar.en.alibaba.com

Key Findings

We analyzed Vjoycar.en.alibaba.com page load time and found that the first response time was 78 ms and then it took 2.6 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

vjoycar.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value19.5 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value9,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.637

9/100

15%

TTI (Time to Interactive)

Value28.0 s

0/100

10%

Network Requests Diagram

vjoycar.en.alibaba.com

78 ms

vjoycar.en.alibaba.com

635 ms

36 ms

58 ms

header.css

71 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Vjoycar.en.alibaba.com, 52% (46 requests) were made to S.alicdn.com and 8% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 MB (61%)

Content Size

6.1 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vjoycar.en.alibaba.com main page is 6.1 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. 70% of websites need less resources to load. Javascripts take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 461.2 kB

  • Original 558.4 kB
  • After minification 554.5 kB
  • After compression 97.1 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 461.2 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 8.9 kB

  • Original 103.7 kB
  • After minification 94.8 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. Vjoy Car En Alibaba images are well optimized though.

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

-72%

Potential reduce by 284.2 kB

  • Original 396.5 kB
  • After minification 345.6 kB
  • After compression 112.3 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. Vjoycar.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.2 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (55%)

Requests Now

77

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vjoy Car 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

vjoycar.en.alibaba.com

vjoycar.en.alibaba.com

78 ms

vjoycar.en.alibaba.com

vjoycar.en.alibaba.com

635 ms

36 ms

58 ms

header.css

header.css

71 ms

header.js

header.js

111 ms

111 ms

web-index.css

web-index.css

76 ms

web-index.css

web-index.css

81 ms

web-index.css

web-index.css

81 ms

web-index.css

web-index.css

80 ms

web-index.css

web-index.css

79 ms

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

107 ms

326 ms

225 ms

index.js

index.js

225 ms

94 ms

H9574c1b832504362a246d03577e0dab32.jpg

H9574c1b832504362a246d03577e0dab32.jpg

919 ms

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HTB1PWlLXAxz61VjSZFt761DSVXag.png

347 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

214 ms

Hc61fda3857864d4883e39eeed4f660c9B.jpg

Hc61fda3857864d4883e39eeed4f660c9B.jpg

203 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

261 ms

Hd9d30d5c9f7e4e5e89b37eedb6ea8d2a9.jpg

Hd9d30d5c9f7e4e5e89b37eedb6ea8d2a9.jpg

577 ms

H5dbff63979bd4191b674de7f10aa51ae6.jpg

H5dbff63979bd4191b674de7f10aa51ae6.jpg

1022 ms

H07ca76138fd244ae96cd1ba362c44f56e.jpg

H07ca76138fd244ae96cd1ba362c44f56e.jpg

270 ms

roboto-regular.woff

roboto-regular.woff

147 ms

roboto-medium.woff

roboto-medium.woff

81 ms

roboto-light.woff

roboto-light.woff

190 ms

roboto-thin.woff

roboto-thin.woff

190 ms

roboto-bold.woff

roboto-bold.woff

225 ms

H26e70c66e37e42da9c7e7f8af761f402u.jpg

H26e70c66e37e42da9c7e7f8af761f402u.jpg

274 ms

62 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

206 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

219 ms

Hf1b9210f656f433591d0faee26255eaaD.jpg

Hf1b9210f656f433591d0faee26255eaaD.jpg

272 ms

H61b70cffc4c644f8bfc82de2db305086t.jpg

H61b70cffc4c644f8bfc82de2db305086t.jpg

257 ms

H7fee917be0e64dd2a1fe9a8c9e05c3c7x.jpg

H7fee917be0e64dd2a1fe9a8c9e05c3c7x.jpg

395 ms

Hcb48ea507ca74c3585e7e948de3706aaF.jpg

Hcb48ea507ca74c3585e7e948de3706aaF.jpg

397 ms

H6a42788876bb48de845ca24d5d996287a.jpg

H6a42788876bb48de845ca24d5d996287a.jpg

389 ms

Hf5e8500286c743168bacf5ca4d0526aeF.jpg

Hf5e8500286c743168bacf5ca4d0526aeF.jpg

395 ms

Hacdb995c40424a06bc6e827bf58205638.jpg

Hacdb995c40424a06bc6e827bf58205638.jpg

394 ms

Hb551c4e7228e4e829562a9e56452cb8bY.jpg

Hb551c4e7228e4e829562a9e56452cb8bY.jpg

394 ms

Hac93f2704ba0410786ae3a92d6ff284a5.jpg

Hac93f2704ba0410786ae3a92d6ff284a5.jpg

502 ms

H5a36a43ff74945b88e3c6447ec534866H.jpg

H5a36a43ff74945b88e3c6447ec534866H.jpg

503 ms

TB13ZJgvYj1gK0jSZFuXXcrHpXa-800-520.png

TB13ZJgvYj1gK0jSZFuXXcrHpXa-800-520.png

421 ms

Hdf5ae5ca756d472d8d1702aa3c137fa2n.jpg

Hdf5ae5ca756d472d8d1702aa3c137fa2n.jpg

688 ms

H63ab2420068b4c1c92c096d65b36c72bu.jpg

H63ab2420068b4c1c92c096d65b36c72bu.jpg

533 ms

Ha4a3f100fdda4633b697ccd2a1e1f9baQ.jpg

Ha4a3f100fdda4633b697ccd2a1e1f9baQ.jpg

511 ms

H6d0bc7b840464b999c3e2a6db234e4b5h.jpg

H6d0bc7b840464b999c3e2a6db234e4b5h.jpg

269 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

224 ms

personTipsInfo.do

personTipsInfo.do

215 ms

awsc.js

awsc.js

205 ms

136 ms

icon-font.woff

icon-font.woff

315 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

132 ms

footer.css

footer.css

284 ms

eg.js

eg.js

55 ms

et_n.js

et_n.js

50 ms

um.js

um.js

142 ms

sc.globalxman.appscene

sc.globalxman.appscene

8 ms

index.js

index.js

94 ms

index.js

index.js

120 ms

7.gif

7.gif

87 ms

baxiaCommon.js

baxiaCommon.js

25 ms

rp

rp

1194 ms

wu.json

wu.json

258 ms

light0.5x.png

light0.5x.png

40 ms

pages_version.html

pages_version.html

204 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

16 ms

defer-common.js

defer-common.js

67 ms

i.alicdn.com

i.alicdn.com

181 ms

index.js

index.js

20 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

165 ms

store-proxy.html

store-proxy.html

110 ms

countryCurrencyDataService

countryCurrencyDataService

189 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

92 ms

personRoleInfo.do

personRoleInfo.do

83 ms

notification.do

notification.do

92 ms

index.js

index.js

21 ms

index.js

index.js

97 ms

index.web.css

index.web.css

84 ms

index.web.js

index.web.js

19 ms

availableSurveyQuery.json

availableSurveyQuery.json

62 ms

index.css

index.css

38 ms

um.json

um.json

56 ms

iconfont.woff

iconfont.woff

3 ms

iconfont.woff

iconfont.woff

13 ms

getUmid.do

getUmid.do

11 ms

Accessibility Review

vjoycar.en.alibaba.com accessibility score

69

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

vjoycar.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

vjoycar.en.alibaba.com SEO score

71

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 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 Vjoycar.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 Vjoycar.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

vjoycar.en.alibaba.com

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