Tools & Wizards About Us
changer-china.en.alibaba.com screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 43

    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

changer-china.en.alibaba.com

Ningbo Changer Electron Co., Ltd.

Page Load Speed

2.7 sec in total

First Response

9 ms

Resources Loaded

2.2 sec

Page Rendered

517 ms

changer-china.en.alibaba.com screenshot

About Website

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

Ningbo Changer Electron Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit changer-china.en.alibaba.com

Key Findings

We analyzed Changer-china.en.alibaba.com page load time and found that the first response time was 9 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

changer-china.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value4,900 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.963

2/100

15%

TTI (Time to Interactive)

Value25.3 s

0/100

10%

Network Requests Diagram

changer-china.en.alibaba.com

9 ms

changer-china.en.alibaba.com

935 ms

52 ms

77 ms

header.css

98 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Changer-china.en.alibaba.com, 58% (61 requests) were made to S.alicdn.com and 7% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.7 MB (59%)

Content Size

6.3 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Changer-china.en.alibaba.com main page is 6.3 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 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 624.3 kB

  • Original 747.1 kB
  • After minification 743.2 kB
  • After compression 122.8 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 624.3 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 15.8 kB

  • Original 329.5 kB
  • After minification 313.7 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. Changer China En Alibaba images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 2.9 MB

  • Original 4.9 MB
  • After minification 4.9 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 2.9 MB or 58% of the original size.

CSS Optimization

-64%

Potential reduce by 204.5 kB

  • Original 317.5 kB
  • After minification 266.7 kB
  • After compression 113.0 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. Changer-china.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 204.5 kB or 64% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (54%)

Requests Now

94

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Changer China 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

changer-china.en.alibaba.com

changer-china.en.alibaba.com

9 ms

changer-china.en.alibaba.com

changer-china.en.alibaba.com

935 ms

52 ms

77 ms

header.css

header.css

98 ms

header.js

header.js

107 ms

76 ms

web-index.css

web-index.css

105 ms

web-index.css

web-index.css

105 ms

web-index.css

web-index.css

146 ms

web-index.css

web-index.css

145 ms

web-index.css

web-index.css

337 ms

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189 ms

172 ms

206 ms

index.js

index.js

142 ms

154 ms

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156 ms

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118 ms

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173 ms

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274 ms

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270 ms

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271 ms

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273 ms

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127 ms

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127 ms

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164 ms

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268 ms

roboto-regular.woff

roboto-regular.woff

1127 ms

roboto-medium.woff

roboto-medium.woff

256 ms

roboto-light.woff

roboto-light.woff

259 ms

roboto-thin.woff

roboto-thin.woff

258 ms

roboto-bold.woff

roboto-bold.woff

258 ms

awsc.js

awsc.js

127 ms

58 ms

personTipsInfo.do

personTipsInfo.do

75 ms

eg.js

eg.js

291 ms

et_n.js

et_n.js

31 ms

um.js

um.js

6 ms

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56 ms

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51 ms

wu.json

wu.json

95 ms

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76 ms

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TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

74 ms

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59 ms

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58 ms

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79 ms

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210 ms

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184 ms

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72 ms

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291 ms

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177 ms

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79 ms

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174 ms

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211 ms

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466 ms

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192 ms

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278 ms

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301 ms

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404 ms

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554 ms

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399 ms

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453 ms

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402 ms

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522 ms

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475 ms

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813 ms

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602 ms

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54 ms

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57 ms

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174 ms

27 ms

icon-font.woff

icon-font.woff

448 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

132 ms

sc.globalxman.appscene

sc.globalxman.appscene

65 ms

index.js

index.js

39 ms

index.js

index.js

43 ms

um.json

um.json

57 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

19 ms

7.gif

7.gif

37 ms

footer.css

footer.css

348 ms

baxiaCommon.js

baxiaCommon.js

11 ms

rp

rp

1027 ms

getUmid.do

getUmid.do

21 ms

light0.5x.png

light0.5x.png

49 ms

pages_version.html

pages_version.html

83 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

21 ms

defer-common.js

defer-common.js

90 ms

i.alicdn.com

i.alicdn.com

70 ms

index.js

index.js

17 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

18 ms

index.js

index.js

15 ms

index.web.css

index.web.css

157 ms

index.web.js

index.web.js

150 ms

store-proxy.html

store-proxy.html

94 ms

countryCurrencyDataService

countryCurrencyDataService

207 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

78 ms

personRoleInfo.do

personRoleInfo.do

194 ms

notification.do

notification.do

219 ms

availableSurveyQuery.json

availableSurveyQuery.json

71 ms

index.js

index.js

71 ms

iconfont.woff

iconfont.woff

13 ms

iconfont.woff

iconfont.woff

56 ms

index.css

index.css

14 ms

data

data

4 ms

Accessibility Review

changer-china.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

changer-china.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

changer-china.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 Changer-china.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 Changer-china.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

changer-china.en.alibaba.com

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