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

Report Summary

  • 16

    Performance

    Renders faster than
    30% 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

cetelec.en.alibaba.com

Page Load Speed

3.8 sec in total

First Response

209 ms

Resources Loaded

2.9 sec

Page Rendered

693 ms

cetelec.en.alibaba.com screenshot

About Website

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

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Key Findings

We analyzed Cetelec.en.alibaba.com page load time and found that the first response time was 209 ms and then it took 3.6 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

cetelec.en.alibaba.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value19,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value37.4 s

0/100

10%

Network Requests Diagram

cetelec.en.alibaba.com

209 ms

cetelec.en.alibaba.com

400 ms

44 ms

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

240 ms

index.js

305 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Cetelec.en.alibaba.com, 33% (19 requests) were made to Sc01.alicdn.com and 17% (10 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Sc01.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (56%)

Content Size

2.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cetelec.en.alibaba.com main page is 2.3 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. 50% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 759.5 kB

  • Original 877.6 kB
  • After minification 876.8 kB
  • After compression 118.1 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 759.5 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 7 B

  • Original 8.7 kB
  • After minification 8.7 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. Cetelec 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 18 (32%)

Requests Now

56

After Optimization

38

  • AJAX
  • Images
  • JavaScript

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cetelec 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

cetelec.en.alibaba.com

cetelec.en.alibaba.com

209 ms

cetelec.en.alibaba.com

cetelec.en.alibaba.com

400 ms

44 ms

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

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

240 ms

index.js

index.js

305 ms

index.js

index.js

260 ms

renderHeader.js

renderHeader.js

260 ms

Hb3ee8f937cc546dfac300c46d8b5c4d9s.jpg

Hb3ee8f937cc546dfac300c46d8b5c4d9s.jpg

731 ms

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H505463c207474b2ba8bc774019ace851t.jpg

844 ms

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Hde0144dfc36c46dd862400e1c3e6d7eds.jpg

1735 ms

awsc.js

awsc.js

20 ms

22 ms

et_n.js

et_n.js

31 ms

um.js

um.js

121 ms

7.gif

7.gif

293 ms

wu.json

wu.json

323 ms

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518 ms

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615 ms

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359 ms

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365 ms

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801 ms

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408 ms

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498 ms

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754 ms

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659 ms

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645 ms

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768 ms

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847 ms

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1064 ms

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1141 ms

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1136 ms

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1182 ms

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1135 ms

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1323 ms

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1678 ms

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2319 ms

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61 ms

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152 ms

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722 ms

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753 ms

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473 ms

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896 ms

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403 ms

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543 ms

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693 ms

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953 ms

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1207 ms

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1200 ms

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150 ms

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124 ms

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117 ms

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119 ms

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123 ms

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H4a065797e2c34dd0afdaa24bce9ae4ab7.jpg_100x100.jpg

124 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

103 ms

eg.js

eg.js

3 ms

index.js

index.js

11 ms

Accessibility Review

cetelec.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

cetelec.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

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

SEO Factors

cetelec.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 Cetelec.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 Cetelec.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

cetelec.en.alibaba.com

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