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jcnsolar.en.alibaba.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

jcnsolar.en.alibaba.com

Shenzhen JCN New Energy Technology Co., Ltd. - Solar PV Module , Folding Solar Charger

Page Load Speed

3.4 sec in total

First Response

10 ms

Resources Loaded

2.8 sec

Page Rendered

564 ms

jcnsolar.en.alibaba.com screenshot

About Website

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

Shenzhen JCN New Energy Technology Co., Ltd., Experts in Manufacturing and Exporting Solar PV Module , Folding Solar Charger and 0 more Products.

Visit jcnsolar.en.alibaba.com

Key Findings

We analyzed Jcnsolar.en.alibaba.com page load time and found that the first response time was 10 ms and then it took 3.4 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

jcnsolar.en.alibaba.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value5,880 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.29

41/100

15%

TTI (Time to Interactive)

Value25.9 s

0/100

10%

Network Requests Diagram

jcnsolar.en.alibaba.com

10 ms

jcnsolar.en.alibaba.com

801 ms

64 ms

99 ms

header.css

114 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Jcnsolar.en.alibaba.com, 31% (32 requests) were made to S.alicdn.com and 25% (26 requests) were made to Img.alicdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Img.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.9 MB (47%)

Content Size

8.1 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jcnsolar.en.alibaba.com main page is 8.1 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. 75% 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 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 505.2 kB

  • Original 609.4 kB
  • After minification 605.4 kB
  • After compression 104.1 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 505.2 kB or 83% of the original size.

Image Optimization

-17%

Potential reduce by 138.1 kB

  • Original 819.1 kB
  • After minification 681.0 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, JCN Solar En Alibaba needs image optimization as it can save up to 138.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 3.0 MB

  • Original 6.4 MB
  • After minification 6.4 MB
  • After compression 3.3 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 3.0 MB or 47% of the original size.

CSS Optimization

-58%

Potential reduce by 205.1 kB

  • Original 353.5 kB
  • After minification 302.6 kB
  • After compression 148.4 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. Jcnsolar.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 205.1 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (55%)

Requests Now

91

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JCN Solar 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 33 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jcnsolar.en.alibaba.com

jcnsolar.en.alibaba.com

10 ms

jcnsolar.en.alibaba.com

jcnsolar.en.alibaba.com

801 ms

64 ms

99 ms

header.css

header.css

114 ms

header.js

header.js

137 ms

57 ms

web-index.css

web-index.css

175 ms

web-index.css

web-index.css

134 ms

web-index.css

web-index.css

176 ms

web-index.css

web-index.css

135 ms

web-index.css

web-index.css

176 ms

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O1CN01KD2ycd23TlAhTEpWp_!!6000000007257-0-tps-3840-90.jpg

137 ms

226 ms

157 ms

index.js

index.js

157 ms

182 ms

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

549 ms

H6ec5557cadc0452fa6813eba39b2951c1.jpg

H6ec5557cadc0452fa6813eba39b2951c1.jpg

136 ms

H1585cdd2cadd4431853044ba8640dbf6U.jpg_q80.jpg

H1585cdd2cadd4431853044ba8640dbf6U.jpg_q80.jpg

709 ms

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O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

701 ms

TB1JuFLkBBh1e4jSZFhXXcC9VXa-2477-841.jpg

TB1JuFLkBBh1e4jSZFhXXcC9VXa-2477-841.jpg

798 ms

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

702 ms

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TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

703 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

701 ms

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TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

1013 ms

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Hb4ba9fa6d81e43d4b5ab528cdb037890B.jpg

134 ms

roboto-regular.woff

roboto-regular.woff

258 ms

roboto-medium.woff

roboto-medium.woff

79 ms

roboto-light.woff

roboto-light.woff

99 ms

roboto-thin.woff

roboto-thin.woff

88 ms

roboto-bold.woff

roboto-bold.woff

188 ms

awsc.js

awsc.js

182 ms

98 ms

personTipsInfo.do

personTipsInfo.do

145 ms

8daf9f7c6d0e41c39c36377b0773e26d

8daf9f7c6d0e41c39c36377b0773e26d

1382 ms

121 ms

H89135ee970eb4bf1a576d3bd75719dcfj.jpg

H89135ee970eb4bf1a576d3bd75719dcfj.jpg

119 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

54 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

118 ms

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

1256 ms

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

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

1256 ms

O1CN01XXmjpo2GuOumHed9z_!!456989075.png

O1CN01XXmjpo2GuOumHed9z_!!456989075.png

922 ms

O1CN01HPlR2D2GuOuo4WjaB_!!456989075.png

O1CN01HPlR2D2GuOuo4WjaB_!!456989075.png

704 ms

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O1CN01y57oEM2GuOuhxZ8db_!!456989075.png

916 ms

O1CN015AVyHT2GuOuhxXC3d_!!456989075.png

O1CN015AVyHT2GuOuhxXC3d_!!456989075.png

918 ms

O1CN01PNnn5C2GuOuhxZk3E_!!456989075.png

O1CN01PNnn5C2GuOuhxZk3E_!!456989075.png

1206 ms

O1CN01gSZn912GuOupCdguN_!!456989075.png

O1CN01gSZn912GuOupCdguN_!!456989075.png

1206 ms

O1CN01Im5PDo2GuOubmF1XX_!!456989075.png

O1CN01Im5PDo2GuOubmF1XX_!!456989075.png

1207 ms

O1CN013yp9ct2GuOuo4pObM_!!456989075.png

O1CN013yp9ct2GuOuo4pObM_!!456989075.png

1205 ms

O1CN01gkF1mY2GuOukcGZCd_!!456989075.png

O1CN01gkF1mY2GuOukcGZCd_!!456989075.png

1301 ms

O1CN01PmC3sV2GuOuo4ZLld_!!456989075.png

O1CN01PmC3sV2GuOuo4ZLld_!!456989075.png

1253 ms

O1CN01OnGjwq2GuOukcIRdL_!!456989075.png

O1CN01OnGjwq2GuOukcIRdL_!!456989075.png

1253 ms

O1CN01gJQEm42GuOupCelRn_!!456989075.png

O1CN01gJQEm42GuOupCelRn_!!456989075.png

1253 ms

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O1CN018UQX0f2GuOuhxYnrT_!!456989075.png

1425 ms

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1320 ms

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1321 ms

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1319 ms

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TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

1330 ms

eg.js

eg.js

143 ms

sc.globalxman.appscene

sc.globalxman.appscene

22 ms

icon-font.woff

icon-font.woff

27 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

279 ms

et_f.js

et_f.js

32 ms

um.js

um.js

145 ms

footer.css

footer.css

141 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

126 ms

index.js

index.js

141 ms

index.js

index.js

141 ms

light0.5x.png

light0.5x.png

122 ms

7.gif

7.gif

108 ms

wu.json

wu.json

213 ms

pages_version.html

pages_version.html

185 ms

defer-common.js

defer-common.js

267 ms

i.alicdn.com

i.alicdn.com

191 ms

index.js

index.js

75 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

122 ms

baxiaCommon.js

baxiaCommon.js

105 ms

rp

rp

1304 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

138 ms

index.js

index.js

93 ms

index.web.css

index.web.css

21 ms

index.web.js

index.web.js

304 ms

index.js

index.js

75 ms

um.json

um.json

521 ms

store-proxy.html

store-proxy.html

464 ms

countryCurrencyDataService

countryCurrencyDataService

439 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

149 ms

personRoleInfo.do

personRoleInfo.do

409 ms

notification.do

notification.do

440 ms

index.css

index.css

295 ms

availableSurveyQuery.json

availableSurveyQuery.json

216 ms

aksb.min.js

aksb.min.js

99 ms

getUmid.do

getUmid.do

26 ms

iconfont.woff

iconfont.woff

15 ms

iconfont.woff

iconfont.woff

14 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

20 ms

normalize.css

normalize.css

561 ms

index.css

index.css

349 ms

mtoplib.min.js

mtoplib.min.js

5 ms

uploaded.js

uploaded.js

3 ms

index.js

index.js

766 ms

Accessibility Review

jcnsolar.en.alibaba.com accessibility score

65

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

High

Links do not have a discernible name

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

jcnsolar.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

jcnsolar.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 Jcnsolar.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 Jcnsolar.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

jcnsolar.en.alibaba.com

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