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

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

kingdun.en.alibaba.com

Ningbo Kingdun Electronic Industry Co., Ltd. - Smoke Alarm, CO Alarm

Page Load Speed

5.5 sec in total

First Response

79 ms

Resources Loaded

4.9 sec

Page Rendered

515 ms

kingdun.en.alibaba.com screenshot

About Website

Welcome to kingdun.en.alibaba.com homepage info - get ready to check Kingdun En Alibaba best content for China right away, or after learning these important things about kingdun.en.alibaba.com

Ningbo Kingdun Electronic Industry Co., Ltd., Experts in Manufacturing and Exporting Smoke Alarm, CO Alarm and 0 more Products.

Visit kingdun.en.alibaba.com

Key Findings

We analyzed Kingdun.en.alibaba.com page load time and found that the first response time was 79 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

kingdun.en.alibaba.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value5,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

kingdun.en.alibaba.com

79 ms

kingdun.en.alibaba.com

685 ms

91 ms

87 ms

header.css

131 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Kingdun.en.alibaba.com, 42% (45 requests) were made to S.alicdn.com and 21% (22 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (49%)

Content Size

3.6 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kingdun.en.alibaba.com main page is 3.6 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 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 488.2 kB

  • Original 588.7 kB
  • After minification 584.7 kB
  • After compression 100.5 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 488.2 kB or 83% of the original size.

Image Optimization

-24%

Potential reduce by 138.3 kB

  • Original 577.5 kB
  • After minification 439.1 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, Kingdun En Alibaba needs image optimization as it can save up to 138.3 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-42%

Potential reduce by 911.6 kB

  • Original 2.2 MB
  • After minification 2.2 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 911.6 kB or 42% of the original size.

CSS Optimization

-84%

Potential reduce by 204.2 kB

  • Original 241.8 kB
  • After minification 190.9 kB
  • After compression 37.6 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. Kingdun.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 204.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (57%)

Requests Now

95

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kingdun 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kingdun.en.alibaba.com

kingdun.en.alibaba.com

79 ms

kingdun.en.alibaba.com

kingdun.en.alibaba.com

685 ms

91 ms

87 ms

header.css

header.css

131 ms

header.js

header.js

139 ms

89 ms

web-index.css

web-index.css

88 ms

web-index.css

web-index.css

138 ms

web-index.css

web-index.css

138 ms

web-index.css

web-index.css

141 ms

web-index.css

web-index.css

139 ms

165 ms

165 ms

index.js

index.js

123 ms

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241 ms

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594 ms

s.gif

s.gif

63 ms

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486 ms

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611 ms

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465 ms

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461 ms

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316 ms

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1192 ms

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1111 ms

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875 ms

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715 ms

awsc.js

awsc.js

299 ms

114 ms

192 ms

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188 ms

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250 ms

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265 ms

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411 ms

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443 ms

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1502 ms

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469 ms

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1827 ms

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1813 ms

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567 ms

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1758 ms

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4254 ms

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962 ms

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265 ms

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

264 ms

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248 ms

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247 ms

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248 ms

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248 ms

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264 ms

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263 ms

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263 ms

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262 ms

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346 ms

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346 ms

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344 ms

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345 ms

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345 ms

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345 ms

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379 ms

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377 ms

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405 ms

roboto-regular.woff

roboto-regular.woff

949 ms

roboto-medium.woff

roboto-medium.woff

968 ms

roboto-light.woff

roboto-light.woff

968 ms

roboto-thin.woff

roboto-thin.woff

969 ms

roboto-bold.woff

roboto-bold.woff

969 ms

personTipsInfo.do

personTipsInfo.do

216 ms

eg.js

eg.js

264 ms

903 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

317 ms

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290 ms

icon-font.woff

icon-font.woff

834 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

252 ms

sc.globalxman.appscene

sc.globalxman.appscene

141 ms

footer.css

footer.css

763 ms

et_n.js

et_n.js

12 ms

um.js

um.js

95 ms

wu.json

wu.json

264 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

12 ms

index.js

index.js

27 ms

index.js

index.js

28 ms

7.gif

7.gif

18 ms

baxiaCommon.js

baxiaCommon.js

13 ms

rp

rp

1802 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

45 ms

light0.5x.png

light0.5x.png

47 ms

pages_version.html

pages_version.html

58 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

22 ms

defer-common.js

defer-common.js

204 ms

i.alicdn.com

i.alicdn.com

84 ms

index.js

index.js

22 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

56 ms

index.web.css

index.web.css

4 ms

index.web.js

index.web.js

54 ms

index.js

index.js

263 ms

availableSurveyQuery.json

availableSurveyQuery.json

207 ms

store-proxy.html

store-proxy.html

163 ms

countryCurrencyDataService

countryCurrencyDataService

149 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

121 ms

personRoleInfo.do

personRoleInfo.do

107 ms

notification.do

notification.do

326 ms

iconfont.woff

iconfont.woff

6 ms

iconfont.woff

iconfont.woff

6 ms

footer-sync.js

footer-sync.js

13 ms

Accessibility Review

kingdun.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

kingdun.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

kingdun.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 Kingdun.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 Kingdun.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

kingdun.en.alibaba.com

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