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

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

cnsandi.en.alibaba.com

Zhejiang Sandi Electric Co., Ltd. - Off Grid Inverter, Pure sine wave inverter

Page Load Speed

3.2 sec in total

First Response

80 ms

Resources Loaded

2.7 sec

Page Rendered

351 ms

cnsandi.en.alibaba.com screenshot

About Website

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

Zhejiang Sandi Electric Co., Ltd., Experts in Manufacturing and Exporting Off Grid Inverter, Pure sine wave inverter and 0 more Products.

Visit cnsandi.en.alibaba.com

Key Findings

We analyzed Cnsandi.en.alibaba.com page load time and found that the first response time was 80 ms and then it took 3.1 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

cnsandi.en.alibaba.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value5,100 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.697

7/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

cnsandi.en.alibaba.com

80 ms

cnsandi.en.alibaba.com

603 ms

93 ms

69 ms

header.css

75 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Cnsandi.en.alibaba.com, 56% (50 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 (2.1 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

3.4 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cnsandi.en.alibaba.com main page is 3.4 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 528.6 kB

  • Original 635.7 kB
  • After minification 631.8 kB
  • After compression 107.1 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 528.6 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 15.5 kB

  • Original 315.5 kB
  • After minification 300.0 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. Cn Sandi En Alibaba images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 910.3 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 910.3 kB or 42% of the original size.

CSS Optimization

-84%

Potential reduce by 214.2 kB

  • Original 254.2 kB
  • After minification 203.3 kB
  • After compression 40.0 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. Cnsandi.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 214.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (60%)

Requests Now

77

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Sandi 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

cnsandi.en.alibaba.com

cnsandi.en.alibaba.com

80 ms

cnsandi.en.alibaba.com

cnsandi.en.alibaba.com

603 ms

93 ms

69 ms

header.css

header.css

75 ms

header.js

header.js

199 ms

245 ms

web-index.css

web-index.css

75 ms

web-index.css

web-index.css

83 ms

web-index.css

web-index.css

83 ms

web-index.css

web-index.css

82 ms

web-index.css

web-index.css

88 ms

196 ms

84 ms

index.js

index.js

191 ms

190 ms

shopsigns-bg-default.png

shopsigns-bg-default.png

254 ms

HTB10oIZMpXXXXbKXXXXq6xXFXXX5.jpg

HTB10oIZMpXXXXbKXXXXq6xXFXXX5.jpg

183 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

198 ms

148 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

140 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

141 ms

H78dc540a4b8c45b69e4099784b410c48D.jpg

H78dc540a4b8c45b69e4099784b410c48D.jpg

243 ms

H8a030b742ef340c0b7b7377b67558d0dm.jpg

H8a030b742ef340c0b7b7377b67558d0dm.jpg

226 ms

Hb844d59f77f543fab2eb856cc5754803t.jpg

Hb844d59f77f543fab2eb856cc5754803t.jpg

221 ms

H3842b87f155043648673d587a32abf75X.jpg

H3842b87f155043648673d587a32abf75X.jpg

231 ms

U7197ce2ff30b48b494225ab4a1e3eb61I.jpg

U7197ce2ff30b48b494225ab4a1e3eb61I.jpg

248 ms

H2b3095e03ace423b883a0f11c93bbb02W.jpg

H2b3095e03ace423b883a0f11c93bbb02W.jpg

229 ms

Hf15091a9d4464dec8b014f45a7f7cd7bU.jpg_250x250.jpg

Hf15091a9d4464dec8b014f45a7f7cd7bU.jpg_250x250.jpg

491 ms

HTB10Hi2chtnkeRjSZSgq6xAuXXaK.jpg_250x250.jpg

HTB10Hi2chtnkeRjSZSgq6xAuXXaK.jpg_250x250.jpg

388 ms

H59c0818ab2ef4720b10af4d3c410763aD.jpg_250x250.jpg

H59c0818ab2ef4720b10af4d3c410763aD.jpg_250x250.jpg

442 ms

H4416fd7768c846d6998cea8063818e1c9.jpg_250x250.jpg

H4416fd7768c846d6998cea8063818e1c9.jpg_250x250.jpg

393 ms

Hb5764a6561904e84b1ca56facaee7bc3V.jpg

Hb5764a6561904e84b1ca56facaee7bc3V.jpg

489 ms

Hdb06bd4cf56a4cd5a3dde62c7678c97ca.jpg

Hdb06bd4cf56a4cd5a3dde62c7678c97ca.jpg

458 ms

H518141e9d6264471b2ce520332e57f7eE.jpg

H518141e9d6264471b2ce520332e57f7eE.jpg

536 ms

U4baf43afa6104133ba697c35b727212fc.jpg

U4baf43afa6104133ba697c35b727212fc.jpg

550 ms

Hff50d1a457874af091d026fd613efa96H.jpg

Hff50d1a457874af091d026fd613efa96H.jpg

645 ms

Hfa296dc0bf694a0da5700ec6d1e4517co.jpg_350x350.jpg

Hfa296dc0bf694a0da5700ec6d1e4517co.jpg_350x350.jpg

679 ms

Hbbece5838eaa49f98b87d3847d6fa6aeW.jpg

Hbbece5838eaa49f98b87d3847d6fa6aeW.jpg

1186 ms

H2b5e770e73b940e49b4ecb1b77a37ff8G.jpg

H2b5e770e73b940e49b4ecb1b77a37ff8G.jpg

1310 ms

H543073ea45774bd4aead2bbe7e6e62dbu.jpg_480x480.jpg

H543073ea45774bd4aead2bbe7e6e62dbu.jpg_480x480.jpg

749 ms

HTB1N6pJHFXXXXcOXpXXq6xXFXXXW.jpg_350x350.jpg

HTB1N6pJHFXXXXcOXpXXq6xXFXXXW.jpg_350x350.jpg

2116 ms

H53c2d547fe9144e5872fe50237c0de836.jpg

H53c2d547fe9144e5872fe50237c0de836.jpg

1476 ms

U233a080eaf0a42ef9be0da943da0220ev.jpg_350x350.jpg

U233a080eaf0a42ef9be0da943da0220ev.jpg_350x350.jpg

1310 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

214 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

218 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

215 ms

none

none

63 ms

roboto-regular.woff

roboto-regular.woff

812 ms

roboto-medium.woff

roboto-medium.woff

828 ms

roboto-light.woff

roboto-light.woff

828 ms

roboto-thin.woff

roboto-thin.woff

845 ms

roboto-bold.woff

roboto-bold.woff

846 ms

personTipsInfo.do

personTipsInfo.do

136 ms

awsc.js

awsc.js

147 ms

113 ms

icon-font.woff

icon-font.woff

738 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

86 ms

footer.css

footer.css

685 ms

eg.js

eg.js

32 ms

et_n.js

et_n.js

20 ms

um.js

um.js

102 ms

sc.globalxman.appscene

sc.globalxman.appscene

30 ms

index.js

index.js

41 ms

index.js

index.js

24 ms

7.gif

7.gif

19 ms

wu.json

wu.json

324 ms

baxiaCommon.js

baxiaCommon.js

12 ms

rp

rp

1016 ms

um.json

um.json

80 ms

getUmid.do

getUmid.do

277 ms

light0.5x.png

light0.5x.png

44 ms

pages_version.html

pages_version.html

228 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

17 ms

defer-common.js

defer-common.js

57 ms

i.alicdn.com

i.alicdn.com

177 ms

index.js

index.js

29 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

220 ms

store-proxy.html

store-proxy.html

132 ms

countryCurrencyDataService

countryCurrencyDataService

171 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

116 ms

personRoleInfo.do

personRoleInfo.do

106 ms

notification.do

notification.do

149 ms

index.js

index.js

81 ms

index.web.css

index.web.css

9 ms

index.web.js

index.web.js

46 ms

availableSurveyQuery.json

availableSurveyQuery.json

48 ms

iconfont.woff

iconfont.woff

21 ms

iconfont.woff

iconfont.woff

21 ms

Accessibility Review

cnsandi.en.alibaba.com accessibility score

69

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

cnsandi.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

cnsandi.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 Cnsandi.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 Cnsandi.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

cnsandi.en.alibaba.com

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