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

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cnhaifei.en.alibaba.com

Company Overview - Yueqing Haifei Electronics Co., Ltd.

Page Load Speed

2.8 sec in total

First Response

199 ms

Resources Loaded

2.2 sec

Page Rendered

320 ms

cnhaifei.en.alibaba.com screenshot

About Website

Welcome to cnhaifei.en.alibaba.com homepage info - get ready to check Cn Haifei En Alibaba best content for China right away, or after learning these important things about cnhaifei.en.alibaba.com

Yueqing Haifei Electronics Co., Ltd. Products:AC Socket, Rocker Switch

Visit cnhaifei.en.alibaba.com

Key Findings

We analyzed Cnhaifei.en.alibaba.com page load time and found that the first response time was 199 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cnhaifei.en.alibaba.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value5,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

Network Requests Diagram

cnhaifei.en.alibaba.com

199 ms

cnhaifei.en.alibaba.com

334 ms

24 ms

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

193 ms

index.js

238 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Cnhaifei.en.alibaba.com, 54% (20 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 (1.6 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (52%)

Content Size

2.1 MB

After Optimization

994.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cnhaifei.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. 40% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 337.3 kB

  • Original 422.3 kB
  • After minification 421.5 kB
  • After compression 85.0 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 337.3 kB or 80% of the original size.

Image Optimization

-31%

Potential reduce by 10.8 kB

  • Original 34.4 kB
  • After minification 23.6 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, Cn Haifei En Alibaba needs image optimization as it can save up to 10.8 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 746.8 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 885.3 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 746.8 kB or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (49%)

Requests Now

35

After Optimization

18

  • AJAX
  • Images
  • JavaScript

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cn Haifei 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

cnhaifei.en.alibaba.com

cnhaifei.en.alibaba.com

199 ms

cnhaifei.en.alibaba.com

cnhaifei.en.alibaba.com

334 ms

24 ms

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

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

193 ms

index.js

index.js

238 ms

index.js

index.js

200 ms

renderHeader.js

renderHeader.js

215 ms

H831b39de7d91458998d1565399522d89i.jpg

H831b39de7d91458998d1565399522d89i.jpg

807 ms

Hed0bcb18b7f94b4281d33fa823c2b63do.jpg

Hed0bcb18b7f94b4281d33fa823c2b63do.jpg

1250 ms

Hc8a1ef0b102340799718ffe7a9935ca3z.jpg

Hc8a1ef0b102340799718ffe7a9935ca3z.jpg

1474 ms

awsc.js

awsc.js

15 ms

84 ms

et_n.js

et_n.js

5 ms

um.js

um.js

70 ms

7.gif

7.gif

294 ms

wu.json

wu.json

190 ms

HTB1SoL8XPDuK1Rjy1zjq6zraFXa7.jpg

HTB1SoL8XPDuK1Rjy1zjq6zraFXa7.jpg

603 ms

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

H22b19388652b4a57ba374369b3b680dc0.png_100x100.png

52 ms

HTB1PbHZXLfsK1RjSszb763qBXXaA.png

HTB1PbHZXLfsK1RjSszb763qBXXaA.png

511 ms

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

TB1Ay1AVUz1gK0jSZLeXXb9kVXa-196-80.png

43 ms

HTB1hy.WXOrxK1RkHFCcq6AQCVXaT.jpg

HTB1hy.WXOrxK1RkHFCcq6AQCVXaT.jpg

907 ms

HTB1tRzrXJfvK1RjSspoq6zfNpXao.jpg

HTB1tRzrXJfvK1RjSspoq6zfNpXao.jpg

237 ms

HTB1YhreXIfrK1Rjy1Xdq6yemFXaZ.jpg

HTB1YhreXIfrK1Rjy1Xdq6yemFXaZ.jpg

351 ms

TB1iVZyFYH1gK0jSZFwXXc7aXXa-204-204.png

TB1iVZyFYH1gK0jSZFwXXc7aXXa-204-204.png

1362 ms

TB1pW3yF1L2gK0jSZFmXXc7iXXa-204-204.png

TB1pW3yF1L2gK0jSZFmXXc7iXXa-204-204.png

354 ms

TB1rIMyF.Y1gK0jSZFCXXcwqXXa-204-204.png

TB1rIMyF.Y1gK0jSZFCXXcwqXXa-204-204.png

357 ms

TB10QwuF.T1gK0jSZFrXXcNCXXa-204-204.png

TB10QwuF.T1gK0jSZFrXXcNCXXa-204-204.png

360 ms

16mm-Diameter-Button-emergency-stop-switch-Metal.jpg_350x350.jpg

16mm-Diameter-Button-emergency-stop-switch-Metal.jpg_350x350.jpg

1047 ms

25MM-Metal-Push-Button-Flat-Power-Symbol.jpg_350x350.jpg

25MM-Metal-Push-Button-Flat-Power-Symbol.jpg_350x350.jpg

903 ms

Haifei-16a-250vac-t125-55-r11-12v.jpg

Haifei-16a-250vac-t125-55-r11-12v.jpg

1505 ms

Haifei-6a-250vac-10a-125vac-kcd1-spdt.jpg

Haifei-6a-250vac-10a-125vac-kcd1-spdt.jpg

1231 ms

Haifei-10-15-15-21-2-pins.jpg

Haifei-10-15-15-21-2-pins.jpg

1599 ms

HTB1ZWSIXFzsK1Rjy1Xbq6xOaFXad.jpg

HTB1ZWSIXFzsK1Rjy1Xbq6xOaFXad.jpg

1281 ms

um.json

um.json

55 ms

getUmid.do

getUmid.do

23 ms

eg.js

eg.js

3 ms

index.js

index.js

85 ms

Accessibility Review

cnhaifei.en.alibaba.com accessibility score

42

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

cnhaifei.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

cnhaifei.en.alibaba.com SEO score

86

Search Engine Optimization Advices

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 Cnhaifei.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 Cnhaifei.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

cnhaifei.en.alibaba.com

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