Access vson.en.alibaba.com. Vson Technology Co., Ltd. - Graphic Tablet, Mini Thermal Printer

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value6,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value25.4 s

0/100

10%

vson.en.alibaba.com

160 ms

vson.en.alibaba.com

473 ms

29 ms

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

388 ms

index.js

468 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Vson.en.alibaba.com, 61% (23 requests) were made to S.alicdn.com and 8% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source S.alicdn.com.

Content Size

1.9 MB

After Optimization

1.0 MB

In fact, the total size of Vson.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. 30% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 585.7 kB

Original 697.2 kB
After minification 696.4 kB
After compression 111.4 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 585.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 7.5 kB
After minification 7.5 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. Vson En Alibaba images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 299.0 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 299.0 kB or 24% of the original size.

Requests Now

After Optimization

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vson 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.

Accessibility Issues

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.

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

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Vson.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 Vson.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

vson.en.alibaba.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Vson Technology Co., Ltd. - Graphic Tablet, Mini Thermal Printer

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

vson.en.alibaba.com

vson.en.alibaba.com

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

index.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vson.en.alibaba.com

vson.en.alibaba.com

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

index.js

index.js

renderHeader.js

awsc.js

et_n.js

um.js

7.gif

Hd7ed22986da74a59affab70aa94bfa7aF.png

HTB1us_dqx9YBuNjy0Ffq6xIsVXaV.jpg

H342c8a3b5fab435bb0e7410bf953ed1bu.jpg

2024-New-Model-Metallic-Body-Wireless-Presenter.jpg_350x350.jpg

VSON-WP9529-HOT-Selling-Portable-Mini-Sticker.jpg_350x350.jpg

2024-Popular-New-Style-Wifi-Automatic-Fish.png_350x350.jpg

wu.json

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

7x7cm-Portable-Thermal-Printer-Wireless-Label-Maker.jpg_250x250.jpg

Top-seller-small-label-printer-thermal-printer.jpg_250x250.jpg

2024-New-Launch-Metallic-Body-Wireless-Presenter.jpg_250x250.jpg

2024-New-Model-Wireless-Presenter-with-2.jpg_250x250.jpg

VSON-factory-good-price-2019-best-selling.jpg_250x250.jpg

2024-Popular-New-Style-Wifi-Automatic-Fish.png_250x250.jpg

Wholesale-Intelligent-Wireless-Color-Electric-Pet-Ball.png_250x250.jpg

Best-Selling-Auto-Smart-Odor-Cat-Litter.jpg_250x250.jpg

2-4G-Wireless-Laser-Presenter-USB-Remote.jpg_480x480.jpg

Rechargeable-2-4G-Blue-Tooth-Wireless-Laser.jpg_480x480.jpg

Mini-Portable-Pocket-Wireless-Smart-Inkless-Printer.png_480x480.jpg

Factory-Student-Children-Baby-Sticker-Printer-Logo.jpg_480x480.jpg

HOT-SALE-VSON-Online-Classroom-Digital-PC.jpg_480x480.jpg

VSON-WP8621-Factory-Direct-Sales-Automatic-Fish.jpg_480x480.jpg

um.json

getUmid.do

eg.js

index.js

Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed