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

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

alextechnology.en.alibaba.com

Company Overview - Shenzhen Alex Technology Co., Ltd.

Page Load Speed

7.3 sec in total

First Response

1.3 sec

Resources Loaded

5.6 sec

Page Rendered

437 ms

alextechnology.en.alibaba.com screenshot

About Website

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

Shenzhen Alex Technology Co., Ltd. Products:Air Conduction Headphone, Bone Conduction Headphones, Bluetooth Glasses, Hearing Headphones

Visit alextechnology.en.alibaba.com

Key Findings

We analyzed Alextechnology.en.alibaba.com page load time and found that the first response time was 1.3 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

alextechnology.en.alibaba.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value34.3 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value9,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.102

1/100

15%

TTI (Time to Interactive)

Value29.7 s

0/100

10%

Network Requests Diagram

alextechnology.en.alibaba.com

1252 ms

alextechnology.en.alibaba.com

305 ms

39 ms

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

47 ms

index.js

51 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 Alextechnology.en.alibaba.com, 55% (32 requests) were made to Sc02.alicdn.com and 14% (8 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Sc02.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 931.9 kB (49%)

Content Size

1.9 MB

After Optimization

981.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Alextechnology.en.alibaba.com main page is 1.9 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. 40% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 388.7 kB

  • Original 472.9 kB
  • After minification 472.2 kB
  • After compression 84.2 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 388.7 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 144 B

  • Original 12.5 kB
  • After minification 12.3 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. Alex Technology En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 543.1 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.3 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 543.1 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (68%)

Requests Now

56

After Optimization

18

  • AJAX
  • Images
  • JavaScript

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

alextechnology.en.alibaba.com

alextechnology.en.alibaba.com

1252 ms

alextechnology.en.alibaba.com

alextechnology.en.alibaba.com

305 ms

39 ms

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

47 ms

index.js

index.js

51 ms

index.js

index.js

36 ms

renderHeader.js

renderHeader.js

46 ms

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197 ms

awsc.js

awsc.js

32 ms

7 ms

7.gif

7.gif

117 ms

et_n.js

et_n.js

4 ms

um.js

um.js

64 ms

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230 ms

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54 ms

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43 ms

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42 ms

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33 ms

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38 ms

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821 ms

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480 ms

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263 ms

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837 ms

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394 ms

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525 ms

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704 ms

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450 ms

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1619 ms

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676 ms

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784 ms

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1615 ms

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1821 ms

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2015 ms

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1173 ms

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1174 ms

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1547 ms

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1417 ms

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1729 ms

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1715 ms

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1783 ms

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2016 ms

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2045 ms

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2000 ms

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2081 ms

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2040 ms

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2342 ms

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2191 ms

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2488 ms

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2260 ms

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2846 ms

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2410 ms

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3962 ms

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2548 ms

wu.json

wu.json

205 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

21 ms

eg.js

eg.js

4 ms

index.js

index.js

78 ms

Accessibility Review

alextechnology.en.alibaba.com accessibility score

42

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.

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

alextechnology.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

alextechnology.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 Alextechnology.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 Alextechnology.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

alextechnology.en.alibaba.com

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