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

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 41

    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

richtec.en.alibaba.com

Company Overview - Shenzhen Rich Age Electronics Co., Ltd.

Page Load Speed

23.2 sec in total

First Response

1 sec

Resources Loaded

21.6 sec

Page Rendered

581 ms

richtec.en.alibaba.com screenshot

About Website

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

Shenzhen Rich Age Electronics Co., Ltd. Products:Wireless Tour Guide System,Windows Projector,Smart Sunglasses,Bluetooth Headphones,Inflatable pumps

Visit richtec.en.alibaba.com

Key Findings

We analyzed Richtec.en.alibaba.com page load time and found that the first response time was 1 sec and then it took 22.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

richtec.en.alibaba.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

65/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value6,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

richtec.en.alibaba.com

1020 ms

richtec.en.alibaba.com

253 ms

20 ms

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

372 ms

index.js

426 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Richtec.en.alibaba.com, 35% (25 requests) were made to Sc02.alicdn.com and 20% (14 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Im.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 884.8 kB (24%)

Content Size

3.8 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Richtec.en.alibaba.com main page is 3.8 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. 35% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 326.7 kB

  • Original 411.5 kB
  • After minification 410.6 kB
  • After compression 84.7 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 326.7 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 15.1 kB

  • Original 1.9 MB
  • After minification 1.9 MB

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. Rich Tec 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 21 (33%)

Requests Now

63

After Optimization

42

  • AJAX
  • Images
  • JavaScript

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rich Tec 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

richtec.en.alibaba.com

richtec.en.alibaba.com

1020 ms

richtec.en.alibaba.com

richtec.en.alibaba.com

253 ms

20 ms

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

372 ms

index.js

index.js

426 ms

index.js

index.js

382 ms

renderHeader.js

renderHeader.js

379 ms

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727 ms

awsc.js

awsc.js

97 ms

23 ms

7.gif

7.gif

270 ms

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828 ms

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383 ms

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Two-way-Communication-Wireless-Coaching-Audio-Instructional.jpg_350x350.jpg

573 ms

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Wireless-Tour-Guide-System-For-Conference-Meeting.jpg_350x350.jpg

973 ms

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Bone-conduction-BT-headset-glasses-can-be.jpg_350x350.jpg

490 ms

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RC2468-new-design-Convenient-Ear-hooks-Lightweight.jpg_350x350.jpg

791 ms

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Battery-Simultaneous-Interpretation-Equipment-Device-Wireless-Tour.jpg_350x350.jpg

516 ms

fashion-frames-alto-smart-audio-glasses-bluetooth.jpg_350x350.jpg

fashion-frames-alto-smart-audio-glasses-bluetooth.jpg_350x350.jpg

974 ms

High-Quality-Wireless-Audio-Guide-System-In.jpg_350x350.jpg

High-Quality-Wireless-Audio-Guide-System-In.jpg_350x350.jpg

652 ms

2-4Ghz-Global-Universal-Audio-Communication-Equipment.jpg_350x350.jpg

2-4Ghz-Global-Universal-Audio-Communication-Equipment.jpg_350x350.jpg

815 ms

Professional-Radio-Whisper-Tour-Guide-Audioguide-System.jpg_350x350.jpg

Professional-Radio-Whisper-Tour-Guide-Audioguide-System.jpg_350x350.jpg

720 ms

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Portable-UHF-Full-Duplex-Digital-2-Way.jpg_350x350.jpg

1070 ms

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Wireless-Conference-System-Simultaneous-interpretation-Translation-Equipment.jpg_350x350.jpg

1052 ms

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1112 ms

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Gaming-music-headphones-low-latency-wired-wireless.jpg_350x350.jpg

2343 ms

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1158 ms

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1103 ms

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433 ms

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438 ms

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435 ms

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985 ms

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1020 ms

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626 ms

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720 ms

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894 ms

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528 ms

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695 ms

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809 ms

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1508 ms

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1114 ms

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1019 ms

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1224 ms

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1034 ms

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1818 ms

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1320 ms

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1357 ms

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1281 ms

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1497 ms

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1418 ms

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1941 ms

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1627 ms

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1881 ms

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2004 ms

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1813 ms

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1975 ms

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2260 ms

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850 ms

et_n.js

et_n.js

38 ms

um.js

um.js

11 ms

wu.json

wu.json

679 ms

um.json

um.json

59 ms

eg.js

eg.js

4 ms

getUmid.do

getUmid.do

729 ms

offline.gif

offline.gif

2443 ms

offline.gif

offline.gif

1406 ms

offline.gif

offline.gif

1287 ms

offline.gif

offline.gif

1147 ms

offline.gif

offline.gif

2059 ms

offline.gif

offline.gif

1967 ms

index.js

index.js

18 ms

Accessibility Review

richtec.en.alibaba.com accessibility score

41

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

richtec.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

richtec.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 Richtec.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 Richtec.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

richtec.en.alibaba.com

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