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

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

jedver.en.alibaba.com

Shenzhen Jedver Smart Lighting Co., Ltd. - LED Power Supply, Strip Light

Page Load Speed

3.6 sec in total

First Response

257 ms

Resources Loaded

2.9 sec

Page Rendered

415 ms

jedver.en.alibaba.com screenshot

About Website

Visit jedver.en.alibaba.com now to see the best up-to-date Jedver En Alibaba content for China and also check out these interesting facts you probably never knew about jedver.en.alibaba.com

Shenzhen Jedver Smart Lighting Co., Ltd., Experts in Manufacturing and Exporting LED Power Supply, Strip Light and 0 more Products.

Visit jedver.en.alibaba.com

Key Findings

We analyzed Jedver.en.alibaba.com page load time and found that the first response time was 257 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

jedver.en.alibaba.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value5,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.355

31/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

Network Requests Diagram

jedver.en.alibaba.com

257 ms

jedver.en.alibaba.com

693 ms

43 ms

26 ms

38 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Jedver.en.alibaba.com, 39% (40 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 (1.4 sec) relates to the external source Preview-lyj.aliyuncs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.0 MB (50%)

Content Size

8.2 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jedver.en.alibaba.com main page is 8.2 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 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 349.7 kB

  • Original 434.8 kB
  • After minification 430.9 kB
  • After compression 85.1 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 349.7 kB or 80% of the original size.

Image Optimization

-20%

Potential reduce by 137.1 kB

  • Original 678.3 kB
  • After minification 541.3 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, Jedver En Alibaba needs image optimization as it can save up to 137.1 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 3.3 MB

  • Original 6.6 MB
  • After minification 6.6 MB
  • After compression 3.3 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 3.3 MB or 49% of the original size.

CSS Optimization

-67%

Potential reduce by 295.2 kB

  • Original 442.9 kB
  • After minification 392.0 kB
  • After compression 147.7 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. Jedver.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 295.2 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (55%)

Requests Now

91

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jedver 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 32 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jedver.en.alibaba.com

jedver.en.alibaba.com

257 ms

jedver.en.alibaba.com

jedver.en.alibaba.com

693 ms

43 ms

26 ms

38 ms

header.css

header.css

40 ms

header.js

header.js

85 ms

web-index.css

web-index.css

40 ms

web-index.css

web-index.css

85 ms

web-index.css

web-index.css

87 ms

web-index.css

web-index.css

106 ms

web-index.css

web-index.css

86 ms

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

87 ms

119 ms

116 ms

index.js

index.js

102 ms

awsc.js

awsc.js

261 ms

54 ms

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526 ms

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251 ms

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211 ms

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96 ms

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386 ms

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231 ms

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231 ms

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231 ms

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231 ms

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231 ms

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Hcc121e546f8b4503a2192d64c467f604L.jpg_300x300.jpg

384 ms

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Ha2bd597ab6824b72a2233b9e96fc222bD.jpg_300x300.jpg

501 ms

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686 ms

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TB1JuFLkBBh1e4jSZFhXXcC9VXa-2477-841.jpg

817 ms

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

686 ms

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

684 ms

H0275bf2d182c4f71ad1e67597bc90f8db.png

H0275bf2d182c4f71ad1e67597bc90f8db.png

684 ms

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Hb830592279174675aa2a85fc08dcb279U.png

686 ms

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252 ms

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254 ms

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252 ms

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327 ms

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380 ms

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684 ms

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761 ms

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H4b0c0543174c4a94bce001693ca3bc81T.png

694 ms

roboto-regular.woff

roboto-regular.woff

246 ms

roboto-medium.woff

roboto-medium.woff

236 ms

roboto-light.woff

roboto-light.woff

246 ms

roboto-thin.woff

roboto-thin.woff

325 ms

roboto-bold.woff

roboto-bold.woff

326 ms

eg.js

eg.js

216 ms

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1358 ms

59 ms

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403 ms

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O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

993 ms

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985 ms

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TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

905 ms

personTipsInfo.do

personTipsInfo.do

263 ms

sc.migrate.event

sc.migrate.event

163 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

160 ms

sc.globalxman.appscene

sc.globalxman.appscene

46 ms

icon-font.woff

icon-font.woff

171 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

175 ms

et_n.js

et_n.js

33 ms

um.js

um.js

125 ms

footer.css

footer.css

107 ms

93 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

566 ms

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TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

565 ms

7.gif

7.gif

32 ms

index.js

index.js

32 ms

index.js

index.js

33 ms

light0.5x.png

light0.5x.png

57 ms

pages_version.html

pages_version.html

117 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

36 ms

defer-common.js

defer-common.js

115 ms

i.alicdn.com

i.alicdn.com

114 ms

index.js

index.js

34 ms

wu.json

wu.json

222 ms

baxiaCommon.js

baxiaCommon.js

50 ms

rp

rp

968 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

271 ms

index.js

index.js

313 ms

index.web.css

index.web.css

149 ms

index.web.js

index.web.js

148 ms

index.js

index.js

143 ms

store-proxy.html

store-proxy.html

120 ms

countryCurrencyDataService

countryCurrencyDataService

234 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

102 ms

personRoleInfo.do

personRoleInfo.do

151 ms

notification.do

notification.do

210 ms

availableSurveyQuery.json

availableSurveyQuery.json

97 ms

um.json

um.json

56 ms

index.css

index.css

9 ms

iconfont.woff

iconfont.woff

3 ms

iconfont.woff

iconfont.woff

4 ms

getUmid.do

getUmid.do

8 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

24 ms

normalize.css

normalize.css

698 ms

index.css

index.css

410 ms

mtoplib.min.js

mtoplib.min.js

14 ms

uploaded.js

uploaded.js

5 ms

index.js

index.js

829 ms

Accessibility Review

jedver.en.alibaba.com accessibility score

43

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

jedver.en.alibaba.com best practices score

67

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

SEO Factors

jedver.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 Jedver.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 Jedver.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

jedver.en.alibaba.com

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