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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

sentoc.en.alibaba.com

Dezhou Bte Solar Co., Ltd. - Solar Collector, Solar Water Heater

Page Load Speed

4.4 sec in total

First Response

103 ms

Resources Loaded

3.7 sec

Page Rendered

549 ms

sentoc.en.alibaba.com screenshot

About Website

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

Dezhou Bte Solar Co., Ltd., Experts in Manufacturing and Exporting Solar Collector, Solar Water Heater and 0 more Products.

Visit sentoc.en.alibaba.com

Key Findings

We analyzed Sentoc.en.alibaba.com page load time and found that the first response time was 103 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sentoc.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value21.0 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value5,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.707

7/100

15%

TTI (Time to Interactive)

Value32.3 s

0/100

10%

Network Requests Diagram

sentoc.en.alibaba.com

103 ms

sentoc.en.alibaba.com

760 ms

66 ms

102 ms

header.css

133 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Sentoc.en.alibaba.com, 34% (44 requests) were made to S.alicdn.com and 25% (33 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.4 MB (65%)

Content Size

6.8 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sentoc.en.alibaba.com main page is 6.8 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 5.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 813.7 kB

  • Original 950.3 kB
  • After minification 946.4 kB
  • After compression 136.7 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 813.7 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 8.9 kB

  • Original 78.9 kB
  • After minification 70.0 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, Sentoc En Alibaba needs image optimization as it can save up to 8.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.3 MB

  • Original 5.4 MB
  • After minification 5.4 MB
  • After compression 2.1 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 3.3 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 283.8 kB

  • Original 396.9 kB
  • After minification 346.0 kB
  • After compression 113.0 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. Sentoc.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.8 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (42%)

Requests Now

109

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sentoc 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 29 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sentoc.en.alibaba.com

sentoc.en.alibaba.com

103 ms

sentoc.en.alibaba.com

sentoc.en.alibaba.com

760 ms

66 ms

102 ms

header.css

header.css

133 ms

header.js

header.js

145 ms

143 ms

web-index.css

web-index.css

129 ms

web-index.css

web-index.css

128 ms

web-index.css

web-index.css

131 ms

web-index.css

web-index.css

198 ms

web-index.css

web-index.css

200 ms

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246 ms

364 ms

166 ms

index.js

index.js

212 ms

243 ms

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307 ms

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386 ms

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720 ms

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527 ms

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524 ms

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526 ms

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989 ms

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530 ms

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704 ms

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1063 ms

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719 ms

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1046 ms

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774 ms

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1047 ms

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2007 ms

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1047 ms

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1046 ms

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1471 ms

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1083 ms

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1202 ms

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1669 ms

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1282 ms

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1109 ms

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2355 ms

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1254 ms

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1315 ms

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1825 ms

roboto-regular.woff

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185 ms

roboto-medium.woff

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204 ms

roboto-light.woff

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203 ms

roboto-thin.woff

roboto-thin.woff

276 ms

roboto-bold.woff

roboto-bold.woff

281 ms

awsc.js

awsc.js

326 ms

129 ms

personTipsInfo.do

personTipsInfo.do

268 ms

128 ms

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177 ms

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239 ms

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1718 ms

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399 ms

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389 ms

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515 ms

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400 ms

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1217 ms

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407 ms

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199 ms

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eg.js

168 ms

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30 ms

footer.css

footer.css

270 ms

et_f.js

et_f.js

25 ms

um.js

um.js

138 ms

sc.sc_header_footer.sc_hds

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119 ms

index.js

index.js

116 ms

index.js

index.js

113 ms

7.gif

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112 ms

baxiaCommon.js

baxiaCommon.js

41 ms

rp

rp

1610 ms

wu.json

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85 ms

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51 ms

pages_version.html

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91 ms

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21 ms

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defer-common.js

798 ms

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963 ms

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28 ms

need_show_cookie_setting.do

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99 ms

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180 ms

index.web.css

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3 ms

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44 ms

availableSurveyQuery.json

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92 ms

getUmid.do

getUmid.do

47 ms

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466 ms

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error2.html

533 ms

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606 ms

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offline.gif

885 ms

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143 ms

countryCurrencyDataService

countryCurrencyDataService

178 ms

sc.sc_header_footer.sc_hds

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98 ms

personRoleInfo.do

personRoleInfo.do

148 ms

notification.do

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139 ms

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index.js

71 ms

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302 ms

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3 ms

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3 ms

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322 ms

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77 ms

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314 ms

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25 ms

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offline.gif

842 ms

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offline.gif

713 ms

offline.gif

offline.gif

482 ms

Accessibility Review

sentoc.en.alibaba.com accessibility score

66

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

sentoc.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

sentoc.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 Sentoc.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 Sentoc.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

sentoc.en.alibaba.com

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