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

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

bluetoothaudio.en.alibaba.com

Company Overview - Shenzhen Itech Electronic Co., Ltd.

Page Load Speed

5.5 sec in total

First Response

1.6 sec

Resources Loaded

3.5 sec

Page Rendered

318 ms

bluetoothaudio.en.alibaba.com screenshot

About Website

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

Shenzhen Itech Electronic Co., Ltd. Products:BLUETOOTH EARBUDS,BLUETOOTH SPEAKER,BLUETOOTH HEADPHONES,BLUETOOTH CAR KIT,BLUETOOTH ADAPTER

Visit bluetoothaudio.en.alibaba.com

Key Findings

We analyzed Bluetoothaudio.en.alibaba.com page load time and found that the first response time was 1.6 sec and then it took 3.8 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

bluetoothaudio.en.alibaba.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value4,260 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

Network Requests Diagram

bluetoothaudio.en.alibaba.com

1613 ms

bluetoothaudio.en.alibaba.com

178 ms

112 ms

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

97 ms

index.js

160 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Bluetoothaudio.en.alibaba.com, 25% (7 requests) were made to S.alicdn.com and 14% (4 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 523.9 kB (34%)

Content Size

1.5 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Bluetoothaudio.en.alibaba.com main page is 1.5 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. 25% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 244.7 kB

  • Original 312.4 kB
  • After minification 311.7 kB
  • After compression 67.7 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 244.7 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 kB
  • After minification 4.8 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. Bluetoothaudio En Alibaba images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 279.2 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 930.0 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 279.2 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • AJAX
  • Images
  • JavaScript

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluetoothaudio 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

bluetoothaudio.en.alibaba.com

bluetoothaudio.en.alibaba.com

1613 ms

bluetoothaudio.en.alibaba.com

bluetoothaudio.en.alibaba.com

178 ms

112 ms

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

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

97 ms

index.js

index.js

160 ms

index.js

index.js

102 ms

renderHeader.js

renderHeader.js

126 ms

H6783393ed9e4499c8643cb0d10da62165.jpg

H6783393ed9e4499c8643cb0d10da62165.jpg

703 ms

H13bd12c6054045b9a0c20daa3bcf1763q.jpg

H13bd12c6054045b9a0c20daa3bcf1763q.jpg

828 ms

H181b3bab61bf49068df66a3d5ca3a0c2u.jpg

H181b3bab61bf49068df66a3d5ca3a0c2u.jpg

1701 ms

Hae4e207081b34d02b7747fa5b4a3bfe3V.jpg

Hae4e207081b34d02b7747fa5b4a3bfe3V.jpg

527 ms

Hd21047d013314c5293632aaf8bba20d1D.jpg

Hd21047d013314c5293632aaf8bba20d1D.jpg

955 ms

H6fa5062e761046eead6b86660c2f6b12l.jpg

H6fa5062e761046eead6b86660c2f6b12l.jpg

410 ms

Hb94fb92662e94132b9975b3801392e72o.jpg

Hb94fb92662e94132b9975b3801392e72o.jpg

1390 ms

H5ec5f22a716042bdbd839a422afb83c6N.jpg

H5ec5f22a716042bdbd839a422afb83c6N.jpg

375 ms

H3db240f2d6754d0fb04f0eb1128b8a69R.jpg

H3db240f2d6754d0fb04f0eb1128b8a69R.jpg

745 ms

H1b93707a83fc4783a07d3c15b8497c7fY.jpg

H1b93707a83fc4783a07d3c15b8497c7fY.jpg

571 ms

Hc2dcc2d602ee488c8d327c0df3e9e236M.jpg

Hc2dcc2d602ee488c8d327c0df3e9e236M.jpg

776 ms

awsc.js

awsc.js

59 ms

20 ms

7.gif

7.gif

21 ms

et_n.js

et_n.js

19 ms

um.js

um.js

10 ms

wu.json

wu.json

52 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

95 ms

eg.js

eg.js

3 ms

index.js

index.js

14 ms

Accessibility Review

bluetoothaudio.en.alibaba.com accessibility score

40

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

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

bluetoothaudio.en.alibaba.com best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

bluetoothaudio.en.alibaba.com SEO score

93

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

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 uses 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 Bluetoothaudio.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 Bluetoothaudio.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

bluetoothaudio.en.alibaba.com

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