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rearvisionsystem.en.alibaba.com screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

rearvisionsystem.en.alibaba.com

Epark (Shenzhen) Technology Limited

Page Load Speed

2.8 sec in total

First Response

76 ms

Resources Loaded

2.1 sec

Page Rendered

622 ms

rearvisionsystem.en.alibaba.com screenshot

About Website

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

Epark (Shenzhen) Technology Limited, Experts in Manufacturing and Exporting and 0 more Products.

Visit rearvisionsystem.en.alibaba.com

Key Findings

We analyzed Rearvisionsystem.en.alibaba.com page load time and found that the first response time was 76 ms and then it took 2.7 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

rearvisionsystem.en.alibaba.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value5,030 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.039

2/100

15%

TTI (Time to Interactive)

Value28.6 s

0/100

10%

Network Requests Diagram

rearvisionsystem.en.alibaba.com

76 ms

rearvisionsystem.en.alibaba.com

664 ms

72 ms

101 ms

header.css

47 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Rearvisionsystem.en.alibaba.com, 40% (42 requests) were made to S.alicdn.com and 11% (11 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (938 ms) relates to the external source Fourier.taobao.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.6 MB (60%)

Content Size

5.9 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rearvisionsystem.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. 80% 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 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 352.6 kB

  • Original 439.2 kB
  • After minification 435.3 kB
  • After compression 86.6 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 352.6 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 8.9 kB

  • Original 79.8 kB
  • After minification 70.9 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, Rearvisionsystem En Alibaba needs image optimization as it can save up to 8.9 kB or 11% 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

-64%

Potential reduce by 203.1 kB

  • Original 316.3 kB
  • After minification 265.5 kB
  • After compression 113.2 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. Rearvisionsystem.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 203.1 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (45%)

Requests Now

93

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rearvisionsystem 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

rearvisionsystem.en.alibaba.com

rearvisionsystem.en.alibaba.com

76 ms

rearvisionsystem.en.alibaba.com

rearvisionsystem.en.alibaba.com

664 ms

72 ms

101 ms

header.css

header.css

47 ms

header.js

header.js

52 ms

43 ms

web-index.css

web-index.css

55 ms

web-index.css

web-index.css

99 ms

web-index.css

web-index.css

54 ms

web-index.css

web-index.css

55 ms

web-index.css

web-index.css

56 ms

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59 ms

95 ms

51 ms

index.js

index.js

54 ms

57 ms

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276 ms

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226 ms

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626 ms

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249 ms

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158 ms

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220 ms

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223 ms

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274 ms

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219 ms

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219 ms

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220 ms

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222 ms

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276 ms

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283 ms

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295 ms

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314 ms

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454 ms

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423 ms

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540 ms

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313 ms

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427 ms

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432 ms

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430 ms

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492 ms

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726 ms

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222 ms

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310 ms

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289 ms

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298 ms

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867 ms

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325 ms

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538 ms

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572 ms

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426 ms

85 ms

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178 ms

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83 ms

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415 ms

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393 ms

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386 ms

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385 ms

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413 ms

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413 ms

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581 ms

roboto-regular.woff

roboto-regular.woff

386 ms

roboto-medium.woff

roboto-medium.woff

388 ms

roboto-light.woff

roboto-light.woff

388 ms

roboto-thin.woff

roboto-thin.woff

389 ms

roboto-bold.woff

roboto-bold.woff

390 ms

personTipsInfo.do

personTipsInfo.do

203 ms

awsc.js

awsc.js

201 ms

166 ms

icon-font.woff

icon-font.woff

242 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

92 ms

footer.css

footer.css

219 ms

eg.js

eg.js

22 ms

et_n.js

et_n.js

40 ms

um.js

um.js

14 ms

sc.globalxman.appscene

sc.globalxman.appscene

8 ms

index.js

index.js

100 ms

index.js

index.js

104 ms

7.gif

7.gif

97 ms

wu.json

wu.json

74 ms

baxiaCommon.js

baxiaCommon.js

25 ms

rp

rp

938 ms

light0.5x.png

light0.5x.png

47 ms

pages_version.html

pages_version.html

104 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

31 ms

defer-common.js

defer-common.js

186 ms

i.alicdn.com

i.alicdn.com

184 ms

index.js

index.js

27 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

129 ms

um.json

um.json

95 ms

index.js

index.js

91 ms

index.web.css

index.web.css

76 ms

index.web.js

index.web.js

7 ms

availableSurveyQuery.json

availableSurveyQuery.json

194 ms

getUmid.do

getUmid.do

155 ms

index.css

index.css

168 ms

index.js

index.js

142 ms

store-proxy.html

store-proxy.html

113 ms

countryCurrencyDataService

countryCurrencyDataService

122 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

86 ms

personRoleInfo.do

personRoleInfo.do

80 ms

notification.do

notification.do

98 ms

iconfont.woff

iconfont.woff

15 ms

iconfont.woff

iconfont.woff

25 ms

Accessibility Review

rearvisionsystem.en.alibaba.com accessibility score

41

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

rearvisionsystem.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

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

SEO Factors

rearvisionsystem.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 Rearvisionsystem.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 Rearvisionsystem.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

rearvisionsystem.en.alibaba.com

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