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

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jhb.en.alibaba.com

Page Load Speed

3.2 sec in total

First Response

297 ms

Resources Loaded

2.3 sec

Page Rendered

517 ms

jhb.en.alibaba.com screenshot

About Website

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

Shenzhen Kingboll Electronic Technology Co.,ltd Products:Bluetooth Speaker,Wireless Earphone,Power Bank,Phone Accessories

Visit jhb.en.alibaba.com

Key Findings

We analyzed Jhb.en.alibaba.com page load time and found that the first response time was 297 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jhb.en.alibaba.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value15.9 s

0/100

10%

TBT (Total Blocking Time)

Value5,280 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

jhb.en.alibaba.com

297 ms

jhb.en.alibaba.com

450 ms

63 ms

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

60 ms

index.js

139 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Jhb.en.alibaba.com, 39% (16 requests) were made to S.alicdn.com and 20% (8 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (46%)

Content Size

2.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jhb.en.alibaba.com main page is 2.5 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. 35% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 569.6 kB

  • Original 683.2 kB
  • After minification 682.4 kB
  • After compression 113.5 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 569.6 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 6.9 kB

  • Original 341.6 kB
  • After minification 334.6 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. Jhb 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 22 (56%)

Requests Now

39

After Optimization

17

  • AJAX
  • Images
  • JavaScript

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jhb 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

jhb.en.alibaba.com

jhb.en.alibaba.com

297 ms

jhb.en.alibaba.com

jhb.en.alibaba.com

450 ms

63 ms

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

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

60 ms

index.js

index.js

139 ms

index.js

index.js

74 ms

renderHeader.js

renderHeader.js

82 ms

awsc.js

awsc.js

59 ms

16 ms

7.gif

7.gif

221 ms

et_n.js

et_n.js

19 ms

um.js

um.js

130 ms

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

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

82 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

121 ms

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HTB1E3IkJpXXXXajXXXXq6xXFXXXe.jpg

907 ms

Ha9cc97a7e10047fa9abd92ac82a8439bM.png

Ha9cc97a7e10047fa9abd92ac82a8439bM.png

829 ms

K59-mechanical-Gaming-Keyboard-Mouse-combos-Wired.jpg_250x250.jpg

K59-mechanical-Gaming-Keyboard-Mouse-combos-Wired.jpg_250x250.jpg

789 ms

K50-gaming-keyboard-multimedia-computer-PC-gaming.jpg_250x250.jpg

K50-gaming-keyboard-multimedia-computer-PC-gaming.jpg_250x250.jpg

430 ms

K03-mechanical-Gaming-Keyboard-Mouse-combos-Wired.jpg_250x250.jpg

K03-mechanical-Gaming-Keyboard-Mouse-combos-Wired.jpg_250x250.jpg

453 ms

hot-selling-WPT-240411-1-travel-office.jpg_250x250.jpg

hot-selling-WPT-240411-1-travel-office.jpg_250x250.jpg

673 ms

2021-Hot-Sell-no-contact-digital-thermometer.jpg_250x250.jpg

2021-Hot-Sell-no-contact-digital-thermometer.jpg_250x250.jpg

629 ms

Trending-Mini-Portable-Adjustable-Foldable-Aluminum-Tablet.jpg_250x250.jpg

Trending-Mini-Portable-Adjustable-Foldable-Aluminum-Tablet.jpg_250x250.jpg

1067 ms

Low-price-of-Brand-new-speaker-portable.jpg_640x640.jpg

Low-price-of-Brand-new-speaker-portable.jpg_640x640.jpg

720 ms

Manufacturer-BT-wireless-active-speaker-professional-bass.jpg_300x300.jpg

Manufacturer-BT-wireless-active-speaker-professional-bass.jpg_300x300.jpg

1020 ms

Button-Triggers-for-Mobile-Phone-Gamepad-Joystick.jpg_300x300.jpg

Button-Triggers-for-Mobile-Phone-Gamepad-Joystick.jpg_300x300.jpg

901 ms

new-Model-LS-02-Suitable-for-Home.jpg_480x480.jpg

new-Model-LS-02-Suitable-for-Home.jpg_480x480.jpg

1566 ms

H123bc84396f44dddbb719481a6bc09d7k.jpg

H123bc84396f44dddbb719481a6bc09d7k.jpg

366 ms

H1ea83720e4bd42cfb3fd5ee1c89441621.jpg

H1ea83720e4bd42cfb3fd5ee1c89441621.jpg

397 ms

Ha910fde2bc7d496998d93f0b1548ff4db.jpg

Ha910fde2bc7d496998d93f0b1548ff4db.jpg

310 ms

Ha55c26721e83463cbd1cb61c0cc3f5b3B.jpg

Ha55c26721e83463cbd1cb61c0cc3f5b3B.jpg

451 ms

HTB1gY9Gev1H3KVjSZFHq6zKppXan.jpg

HTB1gY9Gev1H3KVjSZFHq6zKppXan.jpg

206 ms

HTB14tCQeqWs3KVjSZFxq6yWUXXaZ.jpg

HTB14tCQeqWs3KVjSZFxq6yWUXXaZ.jpg

384 ms

HTB1v0aGev1H3KVjSZFHq6zKppXaN.jpg

HTB1v0aGev1H3KVjSZFHq6zKppXaN.jpg

472 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

156 ms

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

TB1k1Ive3oQMeJjy0FoXXcShVXa-1200-280.png

228 ms

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

TB1Z8vPSFXXXXXLXVXXXXXXXXXX-1519-200.png

180 ms

wu.json

wu.json

496 ms

um.json

um.json

59 ms

getUmid.do

getUmid.do

37 ms

eg.js

eg.js

3 ms

index.js

index.js

9 ms

Accessibility Review

jhb.en.alibaba.com accessibility score

64

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

jhb.en.alibaba.com best practices score

67

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

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

jhb.en.alibaba.com SEO score

86

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 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 Jhb.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 Jhb.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

jhb.en.alibaba.com

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