Tools & Wizards About Us
sz-freedomcontrol.en.alibaba.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sz-freedomcontrol.en.alibaba.com

Company Overview - Shenzhen Freedom Control Co., Ltd.

Page Load Speed

4.1 sec in total

First Response

332 ms

Resources Loaded

3.5 sec

Page Rendered

244 ms

sz-freedomcontrol.en.alibaba.com screenshot

About Website

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

Shenzhen Freedom Control Co., Ltd. Products:remote control,receiver,photocell,module,antenna

Visit sz-freedomcontrol.en.alibaba.com

Key Findings

We analyzed Sz-freedomcontrol.en.alibaba.com page load time and found that the first response time was 332 ms and then it took 3.7 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

sz-freedomcontrol.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value6,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

Network Requests Diagram

sz-freedomcontrol.en.alibaba.com

332 ms

sz-freedomcontrol.en.alibaba.com

298 ms

33 ms

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

33 ms

index.js

51 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Sz-freedomcontrol.en.alibaba.com, 43% (16 requests) were made to S.alicdn.com and 11% (4 requests) were made to Sc02.alicdn.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Sc01.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 779.4 kB (43%)

Content Size

1.8 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sz-freedomcontrol.en.alibaba.com main page is 1.8 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. 45% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 385.0 kB

  • Original 471.8 kB
  • After minification 471.0 kB
  • After compression 86.8 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 385.0 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 468 B

  • Original 5.7 kB
  • After minification 5.2 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. Sz Freedom Control En Alibaba images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 393.9 kB

  • Original 1.3 MB
  • After minification 1.3 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 393.9 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (69%)

Requests Now

35

After Optimization

11

  • AJAX
  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sz Freedom Control 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

sz-freedomcontrol.en.alibaba.com

sz-freedomcontrol.en.alibaba.com

332 ms

sz-freedomcontrol.en.alibaba.com

sz-freedomcontrol.en.alibaba.com

298 ms

33 ms

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

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

33 ms

index.js

index.js

51 ms

index.js

index.js

47 ms

renderHeader.js

renderHeader.js

57 ms

awsc.js

awsc.js

19 ms

18 ms

et_n.js

et_n.js

45 ms

um.js

um.js

182 ms

7.gif

7.gif

189 ms

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

O1CN01kdASbu1gwr9DpPPgA_!!6000000004207-2-tps-290-296.png

140 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

219 ms

H240f58784b124195a2572a48f4255c38q.png

H240f58784b124195a2572a48f4255c38q.png

609 ms

H91270a571c344b7f97d7f3c8144d730eS.png

H91270a571c344b7f97d7f3c8144d730eS.png

1022 ms

H25e0fc8a52b84759b5fe83350c39f59bC.jpg

H25e0fc8a52b84759b5fe83350c39f59bC.jpg

2831 ms

H13e09b40a92f41108fddfa827c764cb13.jpg

H13e09b40a92f41108fddfa827c764cb13.jpg

1143 ms

HTB15mx_EGSWBuNjSsrbq6y0mVXaa.jpg_80x80.jpg

HTB15mx_EGSWBuNjSsrbq6y0mVXaa.jpg_80x80.jpg

871 ms

H16498ebb017c4059932e84333d32bba77.jpg

H16498ebb017c4059932e84333d32bba77.jpg

1308 ms

smart-home-automation-system-universal-remote-control.png_720x720.jpg

smart-home-automation-system-universal-remote-control.png_720x720.jpg

1115 ms

smart-home-automation-system-220v-swing-gate.jpg_480x480.jpg

smart-home-automation-system-220v-swing-gate.jpg_480x480.jpg

2097 ms

220v-smart-home-system-Roller-Shutter-Controller.jpg_350x350.jpg

220v-smart-home-system-Roller-Shutter-Controller.jpg_350x350.jpg

2174 ms

DC-12V-2CH-Channel-433MHz-Wireless-Relay.jpg_480x480.jpg

DC-12V-2CH-Channel-433MHz-Wireless-Relay.jpg_480x480.jpg

1542 ms

220v-roller-shutter-remote-control-unit-433mhz.jpg_480x480.jpg

220v-roller-shutter-remote-control-unit-433mhz.jpg_480x480.jpg

2265 ms

Smart-Home-Automation-System-220v-rolling-Code.jpg_480x480.jpg

Smart-Home-Automation-System-220v-rolling-Code.jpg_480x480.jpg

1676 ms

433mhz-face-to-face-universal-remote-control.jpg_480x480.jpg

433mhz-face-to-face-universal-remote-control.jpg_480x480.jpg

2189 ms

Swing-Gate-Control-Board-of-Automatic-Double.jpg_350x350.jpg

Swing-Gate-Control-Board-of-Automatic-Double.jpg_350x350.jpg

2439 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

208 ms

H7bc4a3577ecf49b8a68f576f36bde032j.jpg

H7bc4a3577ecf49b8a68f576f36bde032j.jpg

770 ms

HTB1lN1leIyYBuNkSnfoq6AWgVXar.jpg

HTB1lN1leIyYBuNkSnfoq6AWgVXar.jpg

800 ms

Hae9871d0317b4c73a50c9b2229468194G.jpg

Hae9871d0317b4c73a50c9b2229468194G.jpg

1032 ms

wu.json

wu.json

172 ms

um.json

um.json

53 ms

getUmid.do

getUmid.do

34 ms

eg.js

eg.js

2 ms

index.js

index.js

3 ms

Accessibility Review

sz-freedomcontrol.en.alibaba.com accessibility score

66

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

sz-freedomcontrol.en.alibaba.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

sz-freedomcontrol.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 Sz-freedomcontrol.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 Sz-freedomcontrol.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

sz-freedomcontrol.en.alibaba.com

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