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

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

touchscience.en.alibaba.com

Company Overview - Henan Touch Science Instruments Co., Ltd.

Page Load Speed

5.9 sec in total

First Response

1.6 sec

Resources Loaded

4 sec

Page Rendered

325 ms

touchscience.en.alibaba.com screenshot

About Website

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

Henan Touch Science Instruments Co., Ltd. Products:Rotary evaporators,Chiller / Heater,Steel reactor,drying oven,glass reactor

Visit touchscience.en.alibaba.com

Key Findings

We analyzed Touchscience.en.alibaba.com page load time and found that the first response time was 1.6 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

touchscience.en.alibaba.com performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value3,980 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.517

15/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

touchscience.en.alibaba.com

1559 ms

touchscience.en.alibaba.com

187 ms

19 ms

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

271 ms

index.js

264 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Touchscience.en.alibaba.com, 44% (12 requests) were made to S.alicdn.com and 11% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 437.1 kB (30%)

Content Size

1.5 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Touchscience.en.alibaba.com main page is 1.5 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. 20% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 256.0 kB

  • Original 327.5 kB
  • After minification 326.8 kB
  • After compression 71.5 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 256.0 kB or 78% of the original size.

Image Optimization

-55%

Potential reduce by 37.6 kB

  • Original 68.2 kB
  • After minification 30.6 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. Obviously, Touch Science En Alibaba needs image optimization as it can save up to 37.6 kB or 55% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 143.6 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 915.2 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 143.6 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (64%)

Requests Now

25

After Optimization

9

  • AJAX
  • Images
  • JavaScript

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Touch Science 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

touchscience.en.alibaba.com

touchscience.en.alibaba.com

1559 ms

touchscience.en.alibaba.com

touchscience.en.alibaba.com

187 ms

19 ms

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

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

271 ms

index.js

index.js

264 ms

index.js

index.js

248 ms

renderHeader.js

renderHeader.js

269 ms

awsc.js

awsc.js

60 ms

10 ms

7.gif

7.gif

28 ms

HTB1clVYi2DH8KJjy1Xcq6ApdXXaz.jpg

HTB1clVYi2DH8KJjy1Xcq6ApdXXaz.jpg

680 ms

H17e32b14cae64b5593f2799f3fad2347X.jpg

H17e32b14cae64b5593f2799f3fad2347X.jpg

658 ms

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

O1CN01eP7P8d1y1kdsWFgqQ_!!6000000006519-2-tps-1920-200.png

175 ms

H0712d1a127de40279aaa00d84ff6fe8cK.jpg

H0712d1a127de40279aaa00d84ff6fe8cK.jpg

979 ms

H24c907d7c5ca4c9694d3f3a92230593dL.jpg

H24c907d7c5ca4c9694d3f3a92230593dL.jpg

1126 ms

H8e5a8af1364c4139a8f6f5508f6c0e10y.jpg

H8e5a8af1364c4139a8f6f5508f6c0e10y.jpg

1090 ms

H797aacda75bc4207915b6afe0a4935bar.jpg

H797aacda75bc4207915b6afe0a4935bar.jpg

622 ms

H58923993c3774851acca1ae8bb9adcf1D.jpg

H58923993c3774851acca1ae8bb9adcf1D.jpg

2213 ms

Hc675c3692d424ecd9305186e3c806bdcA.jpg

Hc675c3692d424ecd9305186e3c806bdcA.jpg

1150 ms

H0a0880a388d5460e81a25f081601fe3fW.jpg

H0a0880a388d5460e81a25f081601fe3fW.jpg

1199 ms

et_n.js

et_n.js

19 ms

um.js

um.js

8 ms

wu.json

wu.json

47 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

23 ms

eg.js

eg.js

3 ms

index.js

index.js

4 ms

Accessibility Review

touchscience.en.alibaba.com accessibility score

75

Accessibility Issues

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

touchscience.en.alibaba.com best practices score

58

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

touchscience.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 Touchscience.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 Touchscience.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

touchscience.en.alibaba.com

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