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

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tnha.en.alibaba.com

Company Overview - ZHEJIANG TNHA ELECTRICAL CO.,LTD.

Page Load Speed

6.2 sec in total

First Response

1.8 sec

Resources Loaded

4.1 sec

Page Rendered

305 ms

tnha.en.alibaba.com screenshot

About Website

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

ZHEJIANG TNHA ELECTRICAL CO.,LTD. Products:Pushbutton switch,Pendant control station,Crane pushbutton switch,INDUSTRIAL WIRELESS REMOTE CONTROL,ELEVATOR CONTROL STATION

Visit tnha.en.alibaba.com

Key Findings

We analyzed Tnha.en.alibaba.com page load time and found that the first response time was 1.8 sec and then it took 4.4 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

tnha.en.alibaba.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value9,350 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.227

55/100

15%

TTI (Time to Interactive)

Value29.1 s

0/100

10%

Network Requests Diagram

tnha.en.alibaba.com

1768 ms

tnha.en.alibaba.com

778 ms

61 ms

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

60 ms

index.js

85 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Tnha.en.alibaba.com, 32% (11 requests) were made to S.alicdn.com and 24% (8 requests) were made to Sc01.alicdn.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Tnha.en.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (71%)

Content Size

3.4 MB

After Optimization

983.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tnha.en.alibaba.com main page is 3.4 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. 55% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 433.1 kB

  • Original 526.3 kB
  • After minification 525.4 kB
  • After compression 93.2 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 433.1 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 kB
  • After minification 4.8 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. TNHA En Alibaba images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 2.0 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 885.4 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 2.0 MB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (50%)

Requests Now

32

After Optimization

16

  • AJAX
  • Images
  • JavaScript

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TNHA 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

tnha.en.alibaba.com

tnha.en.alibaba.com

1768 ms

tnha.en.alibaba.com

tnha.en.alibaba.com

778 ms

61 ms

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

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

60 ms

index.js

index.js

85 ms

index.js

index.js

73 ms

renderHeader.js

renderHeader.js

72 ms

H8924241f7f0c4658ba8cef2d981a7cb3l.jpg

H8924241f7f0c4658ba8cef2d981a7cb3l.jpg

619 ms

H43fc00d3e41848c6a1d37f7cbca7af42o.jpg

H43fc00d3e41848c6a1d37f7cbca7af42o.jpg

768 ms

H07c710297c584f46a4294fbc3bb3762fW.jpg

H07c710297c584f46a4294fbc3bb3762fW.jpg

1467 ms

awsc.js

awsc.js

58 ms

24 ms

7.gif

7.gif

57 ms

H658a2f8dae72430cb4327ff512fd50829.jpg

H658a2f8dae72430cb4327ff512fd50829.jpg

913 ms

H8c1c4d1a86f7415991e5a3e812896718u.jpg

H8c1c4d1a86f7415991e5a3e812896718u.jpg

957 ms

H9e26f631c6b948059a82b889208f133fv.jpg

H9e26f631c6b948059a82b889208f133fv.jpg

514 ms

H9f24e02f9eea4be188ef964d8897d44eX.jpg

H9f24e02f9eea4be188ef964d8897d44eX.jpg

600 ms

TNHA1-X6913-Button-Contacts-Electrical-Control-pendant.jpg_350x350.jpg

TNHA1-X6913-Button-Contacts-Electrical-Control-pendant.jpg_350x350.jpg

876 ms

TNHA1-62CK-Industrial-Button-Control-Box-Switch.jpg_350x350.jpg

TNHA1-62CK-Industrial-Button-Control-Box-Switch.jpg_350x350.jpg

975 ms

Hec397148060f415b81764cf73ecc9d22L.jpg

Hec397148060f415b81764cf73ecc9d22L.jpg

1041 ms

H41f5a574bc09486988fbc944612d533aD.jpg

H41f5a574bc09486988fbc944612d533aD.jpg

806 ms

Hafb2ef514b1a4305a898fa59c62f1a347.jpg

Hafb2ef514b1a4305a898fa59c62f1a347.jpg

939 ms

H9a2c2265ce4a4460a5c3b826fa69e4c5G.jpg

H9a2c2265ce4a4460a5c3b826fa69e4c5G.jpg

673 ms

Hc4575375dccb47ca811159ffc1aab0850.jpg

Hc4575375dccb47ca811159ffc1aab0850.jpg

961 ms

H50e5ac9172464ff980d622c6df9a6e62r.jpg

H50e5ac9172464ff980d622c6df9a6e62r.jpg

1214 ms

H3409dd6a3c7c465483abdc760a3a0ce0V.jpg

H3409dd6a3c7c465483abdc760a3a0ce0V.jpg

1485 ms

Hc00bb1c98f444561b9012dee766bf452c.jpg

Hc00bb1c98f444561b9012dee766bf452c.jpg

929 ms

et_n.js

et_n.js

22 ms

um.js

um.js

119 ms

wu.json

wu.json

22 ms

um.json

um.json

57 ms

getUmid.do

getUmid.do

52 ms

eg.js

eg.js

2 ms

index.js

index.js

36 ms

Accessibility Review

tnha.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

tnha.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

tnha.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 Tnha.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 Tnha.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

tnha.en.alibaba.com

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