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

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sentoc.en.alibaba.com

Company Overview - Dezhou Bte Solar Co., Ltd.

Page Load Speed

1.9 sec in total

First Response

137 ms

Resources Loaded

1.7 sec

Page Rendered

141 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. Products:Solar Collector, Solar Water Heater, Photovoltaic Thermal PVT, Split Solar Water Heater, Solar Absorbers

Visit sentoc.en.alibaba.com

Key Findings

We analyzed Sentoc.en.alibaba.com page load time and found that the first response time was 137 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

sentoc.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value5,020 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

Network Requests Diagram

sentoc.en.alibaba.com

137 ms

sentoc.en.alibaba.com

492 ms

59 ms

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

37 ms

index.js

53 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Sentoc.en.alibaba.com, 30% (9 requests) were made to S.alicdn.com and 17% (5 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (683 ms) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (55%)

Content Size

2.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sentoc.en.alibaba.com main page is 2.2 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. 30% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 684.0 kB

  • Original 804.8 kB
  • After minification 804.0 kB
  • After compression 120.8 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 684.0 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 7 B

  • Original 6.0 kB
  • After minification 6.0 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. Sentoc En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 542.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.2 kB

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 542.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (39%)

Requests Now

28

After Optimization

17

  • AJAX
  • Images
  • JavaScript

The browser has sent 28 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sentoc.en.alibaba.com

sentoc.en.alibaba.com

137 ms

sentoc.en.alibaba.com

sentoc.en.alibaba.com

492 ms

59 ms

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

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

37 ms

index.js

index.js

53 ms

index.js

index.js

48 ms

renderHeader.js

renderHeader.js

51 ms

H8f4bdc4e09ca405894e5db6bd07865d3G.jpg

H8f4bdc4e09ca405894e5db6bd07865d3G.jpg

414 ms

H97e6ace64d544d0a8ece9a6a7fc4530ds.jpg

H97e6ace64d544d0a8ece9a6a7fc4530ds.jpg

418 ms

Hfcca8d637c0d4da8b6c626359bfcbadd7.jpg

Hfcca8d637c0d4da8b6c626359bfcbadd7.jpg

50 ms

awsc.js

awsc.js

47 ms

15 ms

7.gif

7.gif

19 ms

et_n.js

et_n.js

20 ms

um.js

um.js

82 ms

wu.json

wu.json

20 ms

um.json

um.json

66 ms

H6f1589fb48364f0baefcb8ce78503795n.jpg

H6f1589fb48364f0baefcb8ce78503795n.jpg

346 ms

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

251 ms

Ha0c41a59739648dca5117bd13ea49c949.jpeg_100x100.jpeg

Ha0c41a59739648dca5117bd13ea49c949.jpeg_100x100.jpeg

264 ms

H4a065797e2c34dd0afdaa24bce9ae4ab7.jpg_100x100.jpg

H4a065797e2c34dd0afdaa24bce9ae4ab7.jpg_100x100.jpg

251 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

9 ms

H237e756e22ef454eaef0d94bdef36533F.jpg

H237e756e22ef454eaef0d94bdef36533F.jpg

387 ms

H8224d510a41a46588ddef3cf5313b7eeG.jpg

H8224d510a41a46588ddef3cf5313b7eeG.jpg

533 ms

H08884085927f4b26b1099db6525d2e69s.jpg

H08884085927f4b26b1099db6525d2e69s.jpg

683 ms

H27f7293be1ab4079a2f9b933301ade37l.jpg

H27f7293be1ab4079a2f9b933301ade37l.jpg

296 ms

Heb942e899d6c4db68734ca59f402f701W.jpg

Heb942e899d6c4db68734ca59f402f701W.jpg

111 ms

getUmid.do

getUmid.do

109 ms

eg.js

eg.js

2 ms

index.js

index.js

8 ms

Accessibility Review

sentoc.en.alibaba.com accessibility score

72

Accessibility Issues

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.

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

<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

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

sentoc.en.alibaba.com best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sentoc.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 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: