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

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 41

    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

dwdz.en.alibaba.com

Luoyang Dowell Electronics Technology Co., Ltd.

Page Load Speed

3.5 sec in total

First Response

244 ms

Resources Loaded

2.7 sec

Page Rendered

556 ms

dwdz.en.alibaba.com screenshot

About Website

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

Luoyang Dowell Electronics Technology Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit dwdz.en.alibaba.com

Key Findings

We analyzed Dwdz.en.alibaba.com page load time and found that the first response time was 244 ms and then it took 3.2 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

dwdz.en.alibaba.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value12,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.263

47/100

15%

TTI (Time to Interactive)

Value36.1 s

0/100

10%

Network Requests Diagram

dwdz.en.alibaba.com

244 ms

dwdz.en.alibaba.com

780 ms

94 ms

88 ms

header.css

89 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 Dwdz.en.alibaba.com, 34% (35 requests) were made to S.alicdn.com and 24% (25 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (59%)

Content Size

4.6 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dwdz.en.alibaba.com main page is 4.6 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. Only a small number of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 741.8 kB

  • Original 869.4 kB
  • After minification 865.4 kB
  • After compression 127.6 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 741.8 kB or 85% of the original size.

Image Optimization

-24%

Potential reduce by 137.1 kB

  • Original 578.1 kB
  • After minification 441.0 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, Dwdz En Alibaba needs image optimization as it can save up to 137.1 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

-55%

Potential reduce by 1.5 MB

  • Original 2.8 MB
  • After minification 2.8 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 1.5 MB or 55% of the original size.

CSS Optimization

-88%

Potential reduce by 293.0 kB

  • Original 331.1 kB
  • After minification 280.3 kB
  • After compression 38.1 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. Dwdz.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 293.0 kB or 88% 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 Dwdz 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

dwdz.en.alibaba.com

dwdz.en.alibaba.com

244 ms

dwdz.en.alibaba.com

dwdz.en.alibaba.com

780 ms

94 ms

88 ms

header.css

header.css

89 ms

header.js

header.js

207 ms

86 ms

web-index.css

web-index.css

86 ms

web-index.css

web-index.css

696 ms

web-index.css

web-index.css

202 ms

web-index.css

web-index.css

202 ms

web-index.css

web-index.css

203 ms

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209 ms

146 ms

139 ms

index.js

index.js

138 ms

142 ms

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396 ms

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514 ms

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163 ms

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40 ms

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132 ms

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306 ms

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153 ms

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487 ms

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622 ms

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740 ms

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405 ms

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929 ms

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821 ms

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304 ms

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303 ms

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346 ms

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304 ms

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484 ms

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753 ms

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691 ms

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591 ms

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622 ms

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618 ms

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689 ms

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642 ms

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1175 ms

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H96aa331455c74a2181e83c277e4bb3e8r.jpg

1056 ms

roboto-regular.woff

roboto-regular.woff

124 ms

roboto-medium.woff

roboto-medium.woff

125 ms

roboto-light.woff

roboto-light.woff

89 ms

roboto-thin.woff

roboto-thin.woff

137 ms

roboto-bold.woff

roboto-bold.woff

135 ms

awsc.js

awsc.js

136 ms

81 ms

personTipsInfo.do

personTipsInfo.do

85 ms

eg.js

eg.js

35 ms

et_n.js

et_n.js

14 ms

um.js

um.js

14 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

33 ms

index.js

index.js

26 ms

index.js

index.js

48 ms

wu.json

wu.json

56 ms

7.gif

7.gif

10 ms

baxiaCommon.js

baxiaCommon.js

20 ms

rp

rp

1099 ms

um.json

um.json

115 ms

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86 ms

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77 ms

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81 ms

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214 ms

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1238 ms

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213 ms

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213 ms

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476 ms

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393 ms

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211 ms

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151 ms

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153 ms

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155 ms

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212 ms

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249 ms

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249 ms

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251 ms

55 ms

getUmid.do

getUmid.do

142 ms

icon-font.woff

icon-font.woff

122 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

178 ms

sc.globalxman.appscene

sc.globalxman.appscene

71 ms

footer.css

footer.css

45 ms

light0.5x.png

light0.5x.png

62 ms

pages_version.html

pages_version.html

118 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

26 ms

defer-common.js

defer-common.js

375 ms

i.alicdn.com

i.alicdn.com

113 ms

index.js

index.js

26 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

35 ms

index.web.css

index.web.css

4 ms

index.web.js

index.web.js

38 ms

index.js

index.js

38 ms

availableSurveyQuery.json

availableSurveyQuery.json

36 ms

store-proxy.html

store-proxy.html

191 ms

countryCurrencyDataService

countryCurrencyDataService

121 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

90 ms

personRoleInfo.do

personRoleInfo.do

88 ms

notification.do

notification.do

113 ms

iconfont.woff

iconfont.woff

4 ms

iconfont.woff

iconfont.woff

5 ms

Accessibility Review

dwdz.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

dwdz.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

dwdz.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 Dwdz.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 Dwdz.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

dwdz.en.alibaba.com

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