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

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

jecsolar.en.alibaba.com

Zhejiang JEC New Energy Technology Co., Ltd. - Solar Panel, Solar Cell

Page Load Speed

4.5 sec in total

First Response

549 ms

Resources Loaded

3.5 sec

Page Rendered

478 ms

jecsolar.en.alibaba.com screenshot

About Website

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

Zhejiang JEC New Energy Technology Co., Ltd., Experts in Manufacturing and Exporting Solar Panel, Solar Cell and 0 more Products.

Visit jecsolar.en.alibaba.com

Key Findings

We analyzed Jecsolar.en.alibaba.com page load time and found that the first response time was 549 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

jecsolar.en.alibaba.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value5,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value24.4 s

0/100

10%

Network Requests Diagram

jecsolar.en.alibaba.com

549 ms

jecsolar.en.alibaba.com

259 ms

95 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

354 ms

index.js

398 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Jecsolar.en.alibaba.com, 41% (17 requests) were made to S.alicdn.com and 12% (5 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 759.2 kB (24%)

Content Size

3.2 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jecsolar.en.alibaba.com main page is 3.2 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. 65% of websites need less resources to load. Javascripts take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 334.6 kB

  • Original 420.5 kB
  • After minification 419.8 kB
  • After compression 85.9 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 334.6 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 147 B

  • Original 111.1 kB
  • After minification 110.9 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. JEC Solar En Alibaba images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 423.4 kB

  • Original 2.6 MB
  • After minification 2.6 MB
  • After compression 2.2 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 423.4 kB or 16% of the original size.

CSS Optimization

-3%

Potential reduce by 1.1 kB

  • Original 35.9 kB
  • After minification 35.9 kB
  • After compression 34.8 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. Jecsolar.en.alibaba.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (56%)

Requests Now

39

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JEC 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 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jecsolar.en.alibaba.com

jecsolar.en.alibaba.com

549 ms

jecsolar.en.alibaba.com

jecsolar.en.alibaba.com

259 ms

95 ms

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

O1CN0153JdbU26g4bILVOyC_!!6000000007690-2-tps-418-58.png

354 ms

index.js

index.js

398 ms

index.js

index.js

356 ms

renderHeader.js

renderHeader.js

360 ms

H365b7af7984e49418a20481a439c103bF.jpg

H365b7af7984e49418a20481a439c103bF.jpg

1032 ms

H50050e808b6d497ea12ffa424530ca3fh.jpg

H50050e808b6d497ea12ffa424530ca3fh.jpg

773 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

300 ms

H1caca13cf96145a4b6fb62ad39cc1ce0P.jpg

H1caca13cf96145a4b6fb62ad39cc1ce0P.jpg

1017 ms

Hb80f5610de58444fabd94e8be979d64aH.jpg

Hb80f5610de58444fabd94e8be979d64aH.jpg

485 ms

He515afdb95c6481d8506c659e99ee9884.jpg

He515afdb95c6481d8506c659e99ee9884.jpg

1300 ms

awsc.js

awsc.js

18 ms

155 ms

icon-tuv.png

icon-tuv.png

903 ms

TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

TB19Bnzn_tYBeNjy1XdXXXXyVXa-1920-1200.png

338 ms

25c4a39d959c44bcb065635b9bd3cdac

25c4a39d959c44bcb065635b9bd3cdac

1041 ms

High-Efficiency-CETC-Solar-460W-9BB-550W.jpg

High-Efficiency-CETC-Solar-460W-9BB-550W.jpg

1051 ms

CETCSOLAR-550W-540W-MBB-182mm-half-cell.jpg

CETCSOLAR-550W-540W-MBB-182mm-half-cell.jpg

625 ms

CETCSOLAR-585w-bifacial-mono-solar-panel.jpg

CETCSOLAR-585w-bifacial-mono-solar-panel.jpg

930 ms

CETCSOLAR-CdTe-thin-film-PV-solar-panel.jpg

CETCSOLAR-CdTe-thin-film-PV-solar-panel.jpg

2225 ms

CETCSOLAR-650W-high-power210mm-solar-panel-MBB.jpg

CETCSOLAR-650W-high-power210mm-solar-panel-MBB.jpg

1501 ms

Hc377aecbc0754eba9981168c5bd7afcfa.jpg

Hc377aecbc0754eba9981168c5bd7afcfa.jpg

1929 ms

H552489a22fa74070adfb973a44a8d26b8.jpg

H552489a22fa74070adfb973a44a8d26b8.jpg

2672 ms

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

TB1kuhcgQyWBuNjy0FpXXassXXa-18-16.svg

342 ms

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

TB1VjDmgQyWBuNjy0FpXXassXXa-46-46.svg

351 ms

et_n.js

et_n.js

7 ms

um.js

um.js

137 ms

7.gif

7.gif

238 ms

wu.json

wu.json

641 ms

um.json

um.json

61 ms

getUmid.do

getUmid.do

558 ms

font_992356_jz8e219lwqi.css

font_992356_jz8e219lwqi.css

47 ms

normalize.css

normalize.css

119 ms

index.css

index.css

123 ms

mtoplib.min.js

mtoplib.min.js

5 ms

uploaded.js

uploaded.js

14 ms

index.js

index.js

164 ms

eg.js

eg.js

5 ms

index.js

index.js

3 ms

Accessibility Review

jecsolar.en.alibaba.com accessibility score

68

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

jecsolar.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

jecsolar.en.alibaba.com SEO score

79

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

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 Jecsolar.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 Jecsolar.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

jecsolar.en.alibaba.com

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