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

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

jsyongdian.en.alibaba.com

Jiangsu Yongdian Solar Lighting Co., Ltd. - LED Street Light, Controller

Page Load Speed

3.2 sec in total

First Response

219 ms

Resources Loaded

2.7 sec

Page Rendered

216 ms

jsyongdian.en.alibaba.com screenshot

About Website

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

Jiangsu Yongdian Solar Lighting Co., Ltd., Experts in Manufacturing and Exporting LED Street Light, Controller and 0 more Products.

Visit jsyongdian.en.alibaba.com

Key Findings

We analyzed Jsyongdian.en.alibaba.com page load time and found that the first response time was 219 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jsyongdian.en.alibaba.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

84/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value3,930 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.741

6/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

jsyongdian.en.alibaba.com

219 ms

jsyongdian.en.alibaba.com

704 ms

61 ms

86 ms

header.css

93 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 Jsyongdian.en.alibaba.com, 42% (37 requests) were made to S.alicdn.com and 10% (9 requests) were made to Sc01.alicdn.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (58%)

Content Size

3.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jsyongdian.en.alibaba.com main page is 3.8 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 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 404.0 kB

  • Original 495.1 kB
  • After minification 491.2 kB
  • After compression 91.1 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 404.0 kB or 82% of the original size.

Image Optimization

-46%

Potential reduce by 177.2 kB

  • Original 386.5 kB
  • After minification 209.3 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, Js Yongdian En Alibaba needs image optimization as it can save up to 177.2 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 1.3 MB

  • Original 2.6 MB
  • After minification 2.6 MB
  • After compression 1.3 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 1.3 MB or 52% of the original size.

CSS Optimization

-88%

Potential reduce by 283.8 kB

  • Original 320.9 kB
  • After minification 270.0 kB
  • After compression 37.1 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. Jsyongdian.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.8 kB or 88% 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 Js Yongdian 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 28 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jsyongdian.en.alibaba.com

jsyongdian.en.alibaba.com

219 ms

jsyongdian.en.alibaba.com

jsyongdian.en.alibaba.com

704 ms

61 ms

86 ms

header.css

header.css

93 ms

header.js

header.js

99 ms

192 ms

web-index.css

web-index.css

57 ms

web-index.css

web-index.css

90 ms

web-index.css

web-index.css

90 ms

web-index.css

web-index.css

100 ms

web-index.css

web-index.css

90 ms

211 ms

97 ms

index.js

index.js

94 ms

95 ms

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HTB1qyp8B4uTBuNkHFNRq6A9qpXaQ.jpg

956 ms

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HTB1F.LKB2uSBuNkHFqDq6xfhVXaF.jpg

711 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

429 ms

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HTB17ZyFKhSYBuNjSsphq6zGvVXaT.jpg_q80.jpg

819 ms

Hacf0d66de03d49ddbd9ff85bbe90c30e0.jpg_350x350.jpg

Hacf0d66de03d49ddbd9ff85bbe90c30e0.jpg_350x350.jpg

576 ms

HTB12V8mlsUrBKNjSZPxq6x00pXaG.jpg_350x350.jpg

HTB12V8mlsUrBKNjSZPxq6x00pXaG.jpg_350x350.jpg

429 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

499 ms

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HTB1oZ.tKXOWBuNjy0Fiq6xFxVXaP.jpg

318 ms

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HTB1lut5Kv1TBuNjy0Fjq6yjyXXa4.jpg

710 ms

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HTB13urdKeGSBuNjSspbq6AiipXae.jpg

1135 ms

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HTB1Em_hB5OYBuNjSsD4q6zSkFXaY.jpg

444 ms

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466 ms

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HTB11ZBQKxWYBuNjy1zkq6xGGpXa2.jpg

615 ms

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HTB19eK2KgaTBuNjSszfq6xgfpXa4.jpg

1098 ms

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HTB1ZAISKeuSBuNjSsziq6zq8pXaI.jpg

975 ms

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HTB1j2.MKb1YBuNjSszhq6AUsFXap.jpg

518 ms

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HTB1io31Kb1YBuNjSszeq6yblFXae.jpg

507 ms

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HTB1ww11KqmWBuNjy1Xaq6xCbXXah.jpg

450 ms

HTB1CsoLt5MnBKNjSZFCq6x0KFXa2.jpg

HTB1CsoLt5MnBKNjSZFCq6x0KFXa2.jpg

489 ms

HTB1TmxzKASWBuNjSszdq6zeSpXa8.jpg

HTB1TmxzKASWBuNjSszdq6zeSpXa8.jpg

829 ms

99 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

68 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

69 ms

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HTB1tH.CtIIrBKNjSZK9q6ygoVXaN.jpg

1479 ms

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387 ms

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389 ms

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1986 ms

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He57fce27a7554258a8e876043ec67656b.jpg

936 ms

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HTB12MbnXfWG3KVjSZFPq6xaiXXa1.jpg

1021 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

766 ms

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

775 ms

personTipsInfo.do

personTipsInfo.do

69 ms

roboto-regular.woff

roboto-regular.woff

523 ms

roboto-medium.woff

roboto-medium.woff

568 ms

roboto-light.woff

roboto-light.woff

567 ms

roboto-thin.woff

roboto-thin.woff

576 ms

roboto-bold.woff

roboto-bold.woff

602 ms

awsc.js

awsc.js

174 ms

97 ms

icon-font.woff

icon-font.woff

473 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

71 ms

eg.js

eg.js

16 ms

footer.css

footer.css

452 ms

sc.globalxman.appscene

sc.globalxman.appscene

6 ms

index.js

index.js

38 ms

index.js

index.js

52 ms

7.gif

7.gif

7 ms

et_n.js

et_n.js

51 ms

um.js

um.js

37 ms

baxiaCommon.js

baxiaCommon.js

111 ms

rp

rp

979 ms

wu.json

wu.json

87 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

39 ms

light0.5x.png

light0.5x.png

40 ms

pages_version.html

pages_version.html

222 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

13 ms

defer-common.js

defer-common.js

108 ms

i.alicdn.com

i.alicdn.com

56 ms

index.js

index.js

23 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

19 ms

index.js

index.js

973 ms

store-proxy.html

store-proxy.html

105 ms

countryCurrencyDataService

countryCurrencyDataService

99 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

69 ms

personRoleInfo.do

personRoleInfo.do

79 ms

notification.do

notification.do

87 ms

index.web.css

index.web.css

83 ms

index.web.js

index.web.js

22 ms

availableSurveyQuery.json

availableSurveyQuery.json

68 ms

iconfont.woff

iconfont.woff

36 ms

iconfont.woff

iconfont.woff

21 ms

Accessibility Review

jsyongdian.en.alibaba.com accessibility score

66

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

jsyongdian.en.alibaba.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

jsyongdian.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 Jsyongdian.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 Jsyongdian.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

jsyongdian.en.alibaba.com

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