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

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tchinstrument.en.alibaba.com

Zhengzhou TCH Instrument Co., Ltd. - spin coater, lab furnaces

Page Load Speed

8.5 sec in total

First Response

1.3 sec

Resources Loaded

6.7 sec

Page Rendered

519 ms

tchinstrument.en.alibaba.com screenshot

About Website

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

Zhengzhou TCH Instrument Co., Ltd., Experts in Manufacturing and Exporting spin coater, lab furnaces and 0 more Products.

Visit tchinstrument.en.alibaba.com

Key Findings

We analyzed Tchinstrument.en.alibaba.com page load time and found that the first response time was 1.3 sec and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tchinstrument.en.alibaba.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value12.8 s

3/100

10%

TBT (Total Blocking Time)

Value7,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

tchinstrument.en.alibaba.com

1293 ms

tchinstrument.en.alibaba.com

390 ms

72 ms

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

154 ms

index.js

215 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Tchinstrument.en.alibaba.com, 74% (45 requests) were made to S.alicdn.com and 5% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 923.1 kB (45%)

Content Size

2.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tchinstrument.en.alibaba.com main page is 2.1 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. 50% 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 459.5 kB

  • Original 555.0 kB
  • After minification 554.3 kB
  • After compression 95.5 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 459.5 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 115.6 kB
  • After minification 115.6 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. TCH Instrument En Alibaba images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 463.7 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 929.9 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 463.7 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (44%)

Requests Now

59

After Optimization

33

  • AJAX
  • Images
  • JavaScript

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TCH Instrument 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

tchinstrument.en.alibaba.com

tchinstrument.en.alibaba.com

1293 ms

tchinstrument.en.alibaba.com

tchinstrument.en.alibaba.com

390 ms

72 ms

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

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

154 ms

index.js

index.js

215 ms

index.js

index.js

155 ms

renderHeader.js

renderHeader.js

148 ms

HTB1pLBLbL5TBuNjSspmq6yDRVXaV.jpg

HTB1pLBLbL5TBuNjSspmq6yDRVXaV.jpg

551 ms

awsc.js

awsc.js

137 ms

26 ms

7.gif

7.gif

86 ms

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

TB13qeCOVXXXXafaVXXXXXXXXXX-1200-280.jpg

286 ms

HTB1PqbrX2ImBKNjSZFlq6A43FXal.jpg

HTB1PqbrX2ImBKNjSZFlq6A43FXal.jpg

633 ms

Had14c51ece2c45f1998d69ad0831240a5.jpg

Had14c51ece2c45f1998d69ad0831240a5.jpg

907 ms

Hb8a108f0187446d49ac1511bbff71c00G.jpg

Hb8a108f0187446d49ac1511bbff71c00G.jpg

297 ms

Hot-sell-programmable-vacuum-spin-coater-with.jpg_250x250.jpg

Hot-sell-programmable-vacuum-spin-coater-with.jpg_250x250.jpg

511 ms

Economic-KW-4A-spin-coater-with-digital.jpg_250x250.jpg

Economic-KW-4A-spin-coater-with-digital.jpg_250x250.jpg

1099 ms

KW-4E-Heatable-Spin-Coater-upto-200C.jpg_250x250.jpg

KW-4E-Heatable-Spin-Coater-upto-200C.jpg_250x250.jpg

851 ms

Factory-price-KW-4C-Spin-Coater-with.jpg_250x250.jpg

Factory-price-KW-4C-Spin-Coater-with.jpg_250x250.jpg

761 ms

Compact-Spin-Coater-8000-rpm-4-wafer.jpg_250x250.jpg

Compact-Spin-Coater-8000-rpm-4-wafer.jpg_250x250.jpg

1032 ms

high-speed-12-000-rpm-High-speed.jpg_250x250.jpg

high-speed-12-000-rpm-High-speed.jpg_250x250.jpg

1105 ms

7-14MM-Dry-Powder-Pellet-Pressing-Die.jpg_250x250.jpg

7-14MM-Dry-Powder-Pellet-Pressing-Die.jpg_250x250.jpg

1257 ms

32mm-40mm-XRF-boric-acid-XRF-pellet.jpg_250x250.jpg

32mm-40mm-XRF-boric-acid-XRF-pellet.jpg_250x250.jpg

1296 ms

KBr-pellet-pressing-die-kit-for-the.jpg_250x250.jpg

KBr-pellet-pressing-die-kit-for-the.jpg_250x250.jpg

1237 ms

15T-laboratory-Manual-Pellet-Press-Machine-with.jpg_250x250.jpg

15T-laboratory-Manual-Pellet-Press-Machine-with.jpg_250x250.jpg

1406 ms

300C-Laboratory-manual-hydraulic-hot-press-machine.jpg_250x250.jpg

300C-Laboratory-manual-hydraulic-hot-press-machine.jpg_250x250.jpg

1579 ms

PC-600D-Laboratory-Hot-Press-Machine-upto.jpg_250x250.jpg

PC-600D-Laboratory-Hot-Press-Machine-upto.jpg_250x250.jpg

1965 ms

Compact-Precision-Manual-Coin-Cell-Die-Disc.jpg_250x250.jpg

Compact-Precision-Manual-Coin-Cell-Die-Disc.jpg_250x250.jpg

1908 ms

Laboratory-Compact-Vacuum-Film-Coating-Coater-Machine.jpg_250x250.jpg

Laboratory-Compact-Vacuum-Film-Coating-Coater-Machine.jpg_250x250.jpg

2914 ms

Laboratory-Electrode-Heat-Roller-Calender-Pressing-Machine.jpg_250x250.jpg

Laboratory-Electrode-Heat-Roller-Calender-Pressing-Machine.jpg_250x250.jpg

1852 ms

super-series-vacuum-atmospgere-glove-box-with.jpg_250x250.jpg

super-series-vacuum-atmospgere-glove-box-with.jpg_250x250.jpg

2470 ms

1200-Degree-Laboratory-Mini-vacuum-Tube-Furnace.jpg_250x250.jpg

1200-Degree-Laboratory-Mini-vacuum-Tube-Furnace.jpg_250x250.jpg

2098 ms

1200C-single-zone-horizontal-split-vacuum-quartz.jpg_250x250.jpg

1200C-single-zone-horizontal-split-vacuum-quartz.jpg_250x250.jpg

2436 ms

laboratory-1200C-multi-zone-slide-able-PE.jpg_250x250.jpg

laboratory-1200C-multi-zone-slide-able-PE.jpg_250x250.jpg

2294 ms

Smart-Vacuum-Sealing-Assembly-Flange-for-42mm.jpg_250x250.jpg

Smart-Vacuum-Sealing-Assembly-Flange-for-42mm.jpg_250x250.jpg

2809 ms

Laboratory-Programmable-spin-coater-with-10000-RPM.jpg_720x720.jpg

Laboratory-Programmable-spin-coater-with-10000-RPM.jpg_720x720.jpg

2964 ms

Laboratory-Digital-Programmable-Spin-Coater-Spin-coating.jpg_480x480.jpg

Laboratory-Digital-Programmable-Spin-Coater-Spin-coating.jpg_480x480.jpg

2963 ms

130C-Max-200mm-Width-Electric-Hot-Rolling.jpg_480x480.jpg

130C-Max-200mm-Width-Electric-Hot-Rolling.jpg_480x480.jpg

2967 ms

CE-certificated-20T-Lab-automatic-hydraulic-lab.jpg_480x480.jpg

CE-certificated-20T-Lab-automatic-hydraulic-lab.jpg_480x480.jpg

2954 ms

3-100mm-dry-powder-pellet-pressing-die.jpg_480x480.jpg

3-100mm-dry-powder-pellet-pressing-die.jpg_480x480.jpg

3549 ms

15T-laboratory-Manual-Pellet-Press-Machine-with.jpg_480x480.jpg

15T-laboratory-Manual-Pellet-Press-Machine-with.jpg_480x480.jpg

3296 ms

CR20XX-coin-cell-case-crimping-machine-hydraulic.jpg_480x480.jpg

CR20XX-coin-cell-case-crimping-machine-hydraulic.jpg_480x480.jpg

3522 ms

Laboratory-Compact-Vacuum-Film-Coating-Coater-Machine.jpg_480x480.jpg

Laboratory-Compact-Vacuum-Film-Coating-Coater-Machine.jpg_480x480.jpg

3387 ms

300C-Laboratory-Benchtop-Heated-Lab-Press-with.jpg_480x480.jpg

300C-Laboratory-Benchtop-Heated-Lab-Press-with.jpg_480x480.jpg

3639 ms

CR2016-CR2025-CR2032-Manual-Coin-Cell-Crimping.jpg_480x480.jpg

CR2016-CR2025-CR2032-Manual-Coin-Cell-Crimping.jpg_480x480.jpg

3737 ms

square-cylindrical-heatable-pressing-die-set-to.jpg_350x350.jpg

square-cylindrical-heatable-pressing-die-set-to.jpg_350x350.jpg

3723 ms

square-pellet-Powder-pressing-die-set-mold.jpg_350x350.jpg

square-pellet-Powder-pressing-die-set-mold.jpg_350x350.jpg

3923 ms

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

TB1Gvmpg7P2gK0jSZPxXXacQpXa-1200-230.jpg

272 ms

et_n.js

et_n.js

68 ms

um.js

um.js

209 ms

4-7-120-mm-I-D-Dry.jpg_350x350.jpg

4-7-120-mm-I-D-Dry.jpg_350x350.jpg

3997 ms

wu.json

wu.json

27 ms

Lab-KW-4B-intelligent-compact-spin-coater.jpg_350x350.jpg

Lab-KW-4B-intelligent-compact-spin-coater.jpg_350x350.jpg

3905 ms

200C-20ml-Heatable-Glass-Syringe-for-Spin.jpg_350x350.jpg

200C-20ml-Heatable-Glass-Syringe-for-Spin.jpg_350x350.jpg

3753 ms

um.json

um.json

56 ms

getUmid.do

getUmid.do

43 ms

Al2o3-Alumina-Ceramic-Combustion-Boat-60-11.jpg_350x350.jpg

Al2o3-Alumina-Ceramic-Combustion-Boat-60-11.jpg_350x350.jpg

4067 ms

YSZ-zirconia-ball-grinding-mill-media-YSZ.jpg_350x350.jpg

YSZ-zirconia-ball-grinding-mill-media-YSZ.jpg_350x350.jpg

4247 ms

high-purity-quartz-boat-with-hole-200.jpg_350x350.jpg

high-purity-quartz-boat-with-hole-200.jpg_350x350.jpg

3649 ms

eg.js

eg.js

3 ms

index.js

index.js

6 ms

Accessibility Review

tchinstrument.en.alibaba.com accessibility score

69

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.

Best Practices

tchinstrument.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

tchinstrument.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 Tchinstrument.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 Tchinstrument.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

tchinstrument.en.alibaba.com

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