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cnbangzhao.en.alibaba.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

cnbangzhao.en.alibaba.com

Zhejiang Bangzhao Electric Co., Ltd. - Pure sine wave inverter, charge controller

Page Load Speed

6.5 sec in total

First Response

220 ms

Resources Loaded

6 sec

Page Rendered

301 ms

cnbangzhao.en.alibaba.com screenshot

About Website

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

Zhejiang Bangzhao Electric Co., Ltd., Experts in Manufacturing and Exporting Pure sine wave inverter, charge controller and 0 more Products.

Visit cnbangzhao.en.alibaba.com

Key Findings

We analyzed Cnbangzhao.en.alibaba.com page load time and found that the first response time was 220 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

cnbangzhao.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)

Value2.9 s

82/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value5,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.556

13/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

Network Requests Diagram

cnbangzhao.en.alibaba.com

220 ms

cnbangzhao.en.alibaba.com

900 ms

64 ms

59 ms

header.css

90 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Cnbangzhao.en.alibaba.com, 62% (56 requests) were made to S.alicdn.com and 8% (7 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (5.1 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (60%)

Content Size

3.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cnbangzhao.en.alibaba.com main page is 3.7 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 863.6 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 140.5 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 863.6 kB or 86% of the original size.

Image Optimization

-16%

Potential reduce by 9.3 kB

  • Original 58.0 kB
  • After minification 48.6 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, Cn Bangzhao En Alibaba needs image optimization as it can save up to 9.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 1.0 MB

  • Original 2.3 MB
  • After minification 2.3 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 1.0 MB or 45% of the original size.

CSS Optimization

-88%

Potential reduce by 284.7 kB

  • Original 322.4 kB
  • After minification 271.6 kB
  • After compression 37.8 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. Cnbangzhao.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 284.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (69%)

Requests Now

80

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Bangzhao 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

cnbangzhao.en.alibaba.com

cnbangzhao.en.alibaba.com

220 ms

cnbangzhao.en.alibaba.com

cnbangzhao.en.alibaba.com

900 ms

64 ms

59 ms

header.css

header.css

90 ms

header.js

header.js

97 ms

97 ms

web-index.css

web-index.css

94 ms

web-index.css

web-index.css

98 ms

web-index.css

web-index.css

97 ms

web-index.css

web-index.css

99 ms

web-index.css

web-index.css

96 ms

166 ms

105 ms

index.js

index.js

67 ms

66 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

250 ms

HTB1chnue5AnBKNjSZFvq6yTKXXaf.jpg

HTB1chnue5AnBKNjSZFvq6yTKXXaf.jpg

545 ms

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HTB1WWjGJVXXXXc6XpXXq6xXFXXXG.jpg_80x80.jpg

575 ms

Hfa6fbcee013f4f02b5e4d57c838c026fx.jpg_q80.jpg

Hfa6fbcee013f4f02b5e4d57c838c026fx.jpg_q80.jpg

795 ms

H88ccb0f0fdeb4537ae7beddae612b7a7M.jpg_250x250.jpg

H88ccb0f0fdeb4537ae7beddae612b7a7M.jpg_250x250.jpg

505 ms

Hbf474885edf048b286c2e1ce7d12a90d5.jpg_250x250.jpg

Hbf474885edf048b286c2e1ce7d12a90d5.jpg_250x250.jpg

510 ms

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Hdcd40f2421a14ec5b3229952490342d3o.jpg_250x250.jpg

674 ms

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Hf0d701a108524058938f8d7cebf5c8881.jpg_250x250.jpg

811 ms

H7146e13a744d4d21bf943bf6c04d7f69z.jpg_250x250.jpg

H7146e13a744d4d21bf943bf6c04d7f69z.jpg_250x250.jpg

898 ms

H4fe5da4bfb134a5abea626eb28cebc46q.jpg_250x250.jpg

H4fe5da4bfb134a5abea626eb28cebc46q.jpg_250x250.jpg

1124 ms

H9407d5e54769472f8d9765551a0f50321.jpg_250x250.jpg

H9407d5e54769472f8d9765551a0f50321.jpg_250x250.jpg

938 ms

H1306a091b4a448039fc562a3ec34f10eb.jpg_350x350.jpg

H1306a091b4a448039fc562a3ec34f10eb.jpg_350x350.jpg

1519 ms

Ha509696b42b3426ca5d758b538e0ebcdi.jpg_720x720.jpg

Ha509696b42b3426ca5d758b538e0ebcdi.jpg_720x720.jpg

1575 ms

Hc481fc4a11314357a26fdb1d61f8966cl.jpg_640x640.jpg

Hc481fc4a11314357a26fdb1d61f8966cl.jpg_640x640.jpg

1381 ms

H21b6099c271147f6a4fc92f280652b85g.jpg_300x300.jpg

H21b6099c271147f6a4fc92f280652b85g.jpg_300x300.jpg

1129 ms

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TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

254 ms

82 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

906 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

914 ms

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

919 ms

H9540dbb2a4c34fe3ac6f256cde101133p.jpg

H9540dbb2a4c34fe3ac6f256cde101133p.jpg

2829 ms

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1474 ms

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1420 ms

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1704 ms

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1938 ms

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H384eb399d90d48ba9562a1747a4a8c1bX.jpg

3695 ms

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2843 ms

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2927 ms

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3104 ms

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3810 ms

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4377 ms

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3397 ms

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5109 ms

awsc.js

awsc.js

237 ms

194 ms

personTipsInfo.do

personTipsInfo.do

184 ms

roboto-regular.woff

roboto-regular.woff

3051 ms

roboto-medium.woff

roboto-medium.woff

3067 ms

roboto-light.woff

roboto-light.woff

3068 ms

roboto-thin.woff

roboto-thin.woff

3083 ms

roboto-bold.woff

roboto-bold.woff

3084 ms

icon-font.woff

icon-font.woff

2955 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

72 ms

eg.js

eg.js

167 ms

et_n.js

et_n.js

29 ms

um.js

um.js

28 ms

wu.json

wu.json

18 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

7 ms

index.js

index.js

6 ms

index.js

index.js

14 ms

sc.globalxman.appscene

sc.globalxman.appscene

2 ms

7.gif

7.gif

4 ms

baxiaCommon.js

baxiaCommon.js

7 ms

rp

rp

932 ms

footer.css

footer.css

2701 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

20 ms

light0.5x.png

light0.5x.png

28 ms

pages_version.html

pages_version.html

55 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

19 ms

defer-common.js

defer-common.js

52 ms

i.alicdn.com

i.alicdn.com

49 ms

index.js

index.js

16 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

135 ms

index.js

index.js

136 ms

index.web.css

index.web.css

127 ms

index.web.js

index.web.js

136 ms

store-proxy.html

store-proxy.html

99 ms

countryCurrencyDataService

countryCurrencyDataService

177 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

83 ms

personRoleInfo.do

personRoleInfo.do

150 ms

notification.do

notification.do

171 ms

availableSurveyQuery.json

availableSurveyQuery.json

57 ms

iconfont.woff

iconfont.woff

18 ms

iconfont.woff

iconfont.woff

118 ms

Accessibility Review

cnbangzhao.en.alibaba.com accessibility score

70

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

cnbangzhao.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

Displays images with incorrect aspect ratio

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

cnbangzhao.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 Cnbangzhao.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 Cnbangzhao.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

cnbangzhao.en.alibaba.com

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