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

Report Summary

  • 34

    Performance

    Renders faster than
    54% 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

polygonchina.en.alibaba.com

Polygon (beijing) Energy Technology Corp. - Intelligent LPG cylinder valve, Smart Gas Meter

Page Load Speed

3.3 sec in total

First Response

231 ms

Resources Loaded

2.9 sec

Page Rendered

224 ms

polygonchina.en.alibaba.com screenshot

About Website

Click here to check amazing Polygon China En Alibaba content for China. Otherwise, check out these important facts you probably never knew about polygonchina.en.alibaba.com

Polygon (beijing) Energy Technology Corp., Experts in Manufacturing and Exporting Intelligent LPG cylinder valve, Smart Gas Meter and 0 more Products.

Visit polygonchina.en.alibaba.com

Key Findings

We analyzed Polygonchina.en.alibaba.com page load time and found that the first response time was 231 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

polygonchina.en.alibaba.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value5,290 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.31

38/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

polygonchina.en.alibaba.com

231 ms

polygonchina.en.alibaba.com

563 ms

80 ms

56 ms

77 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Polygonchina.en.alibaba.com, 49% (39 requests) were made to S.alicdn.com and 9% (7 requests) were made to Gj.mmstat.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 2.0 MB (56%)

Content Size

3.6 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Polygonchina.en.alibaba.com main page is 3.6 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. 70% of websites need less resources to load. Javascripts take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 337.6 kB

  • Original 425.8 kB
  • After minification 421.8 kB
  • After compression 88.2 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 337.6 kB or 79% of the original size.

Image Optimization

-46%

Potential reduce by 177.7 kB

  • Original 387.4 kB
  • After minification 209.7 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. Obviously, Polygon China En Alibaba needs image optimization as it can save up to 177.7 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 1.2 MB

  • Original 2.5 MB
  • After minification 2.5 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 1.2 MB or 49% of the original size.

CSS Optimization

-88%

Potential reduce by 285.3 kB

  • Original 322.9 kB
  • After minification 272.0 kB
  • After compression 37.6 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. Polygonchina.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 285.3 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (68%)

Requests Now

68

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Polygon 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 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

polygonchina.en.alibaba.com

polygonchina.en.alibaba.com

231 ms

polygonchina.en.alibaba.com

polygonchina.en.alibaba.com

563 ms

80 ms

56 ms

77 ms

header.css

header.css

119 ms

header.js

header.js

129 ms

web-index.css

web-index.css

127 ms

web-index.css

web-index.css

118 ms

web-index.css

web-index.css

171 ms

web-index.css

web-index.css

125 ms

web-index.css

web-index.css

125 ms

229 ms

196 ms

index.js

index.js

197 ms

164 ms

awsc.js

awsc.js

145 ms

38 ms

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H3e0c5f2ce68a49ab928b8517cf1275d2I.png

413 ms

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

419 ms

HTB1h3maaIfrK1RkSmLyq6xGApXaj.jpg_q80.jpg

HTB1h3maaIfrK1RkSmLyq6xGApXaj.jpg_q80.jpg

395 ms

H6fd7b0d1449448a38c35ea46a6e514c5w.jpg_480x480.jpg

H6fd7b0d1449448a38c35ea46a6e514c5w.jpg_480x480.jpg

316 ms

Had2091fc8a28489cb8fbd5d0c7eef3deh.jpg_350x350.jpg

Had2091fc8a28489cb8fbd5d0c7eef3deh.jpg_350x350.jpg

313 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

544 ms

eg.js

eg.js

108 ms

personTipsInfo.do

personTipsInfo.do

189 ms

sc.migrate.event

sc.migrate.event

97 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

164 ms

HTB1BN2iayYrK1Rjy0Fd763CvVXaJ.png

HTB1BN2iayYrK1Rjy0Fd763CvVXaJ.png

934 ms

36 ms

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

TB1hVGkvVP7gK0jSZFjXXc5aXXa-365-49.svg

63 ms

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

TB1mHDTXMaH3KVjSZFpXXbhKpXa-600-400.png

63 ms

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

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

147 ms

HTB1RT0.aJzvK1RkSnfo762MwVXaL.png

HTB1RT0.aJzvK1RkSnfo762MwVXaL.png

695 ms

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HTB1iaR_aN_rK1RkHFqD761JAFXaW.png

526 ms

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HTB13BVRIuGSBuNjSspb763iipXas.png

504 ms

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A4437230e9471497c804ea40f8430aebaB.png

2083 ms

H185af4849c844e02bcde30c108045fd2J.jpg

H185af4849c844e02bcde30c108045fd2J.jpg

689 ms

H12592488c1544a1e81ddee02630d1bdfj.jpg

H12592488c1544a1e81ddee02630d1bdfj.jpg

913 ms

Hf6007ab11589459c9a3fd3e6960e08904.jpg

Hf6007ab11589459c9a3fd3e6960e08904.jpg

941 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

656 ms

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

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

913 ms

roboto-regular.woff

roboto-regular.woff

524 ms

roboto-medium.woff

roboto-medium.woff

534 ms

roboto-light.woff

roboto-light.woff

544 ms

roboto-thin.woff

roboto-thin.woff

554 ms

roboto-bold.woff

roboto-bold.woff

564 ms

et_n.js

et_n.js

134 ms

um.js

um.js

201 ms

index.js

index.js

133 ms

index.js

index.js

135 ms

7.gif

7.gif

16 ms

icon-font.woff

icon-font.woff

444 ms

font_515771_xjdbujl2iu.woff

font_515771_xjdbujl2iu.woff

127 ms

sc.globalxman.appscene

sc.globalxman.appscene

67 ms

baxiaCommon.js

baxiaCommon.js

43 ms

rp

rp

964 ms

wu.json

wu.json

40 ms

footer.css

footer.css

287 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

31 ms

light0.5x.png

light0.5x.png

19 ms

pages_version.html

pages_version.html

66 ms

sc.sc_header_footer.schd_coms

sc.sc_header_footer.schd_coms

13 ms

defer-common.js

defer-common.js

62 ms

i.alicdn.com

i.alicdn.com

49 ms

index.js

index.js

26 ms

need_show_cookie_setting.do

need_show_cookie_setting.do

11 ms

index.js

index.js

137 ms

index.web.css

index.web.css

131 ms

index.web.js

index.web.js

127 ms

store-proxy.html

store-proxy.html

96 ms

countryCurrencyDataService

countryCurrencyDataService

177 ms

sc.sc_header_footer.sc_hds

sc.sc_header_footer.sc_hds

87 ms

personRoleInfo.do

personRoleInfo.do

152 ms

notification.do

notification.do

174 ms

availableSurveyQuery.json

availableSurveyQuery.json

52 ms

iconfont.woff

iconfont.woff

28 ms

iconfont.woff

iconfont.woff

28 ms

Accessibility Review

polygonchina.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

polygonchina.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

polygonchina.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 Polygonchina.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 Polygonchina.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

polygonchina.en.alibaba.com

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