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

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 43

    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

zenpen.en.alibaba.com

Company Overview - Wenzhou Zenpen Electric Co., Ltd

Page Load Speed

3.9 sec in total

First Response

554 ms

Resources Loaded

2.9 sec

Page Rendered

481 ms

zenpen.en.alibaba.com screenshot

About Website

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

Wenzhou Zenpen Electric Co., Ltd Products:Electrical Equipment (Switch, Socket, Plug, Lamp Holder, Ceiling Rose)

Visit zenpen.en.alibaba.com

Key Findings

We analyzed Zenpen.en.alibaba.com page load time and found that the first response time was 554 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

zenpen.en.alibaba.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value13,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value27.1 s

0/100

10%

Network Requests Diagram

zenpen.en.alibaba.com

554 ms

zenpen.en.alibaba.com

241 ms

54 ms

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

65 ms

index.js

147 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Zenpen.en.alibaba.com, 57% (20 requests) were made to S.alicdn.com and 9% (3 requests) were made to Assets.alicdn.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source S.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 888.8 kB (48%)

Content Size

1.9 MB

After Optimization

974.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zenpen.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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 345.9 kB

  • Original 429.9 kB
  • After minification 429.1 kB
  • After compression 84.0 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 345.9 kB or 80% 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. Zenpen En Alibaba images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 542.9 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 885.2 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 542.9 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (48%)

Requests Now

33

After Optimization

17

  • AJAX
  • Images
  • JavaScript

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenpen 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

zenpen.en.alibaba.com

zenpen.en.alibaba.com

554 ms

zenpen.en.alibaba.com

zenpen.en.alibaba.com

241 ms

54 ms

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

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

65 ms

index.js

index.js

147 ms

index.js

index.js

67 ms

renderHeader.js

renderHeader.js

128 ms

awsc.js

awsc.js

98 ms

37 ms

Haa25b3f8c948487c8bf3ce40f3c51ffcs.jpg

Haa25b3f8c948487c8bf3ce40f3c51ffcs.jpg

2119 ms

7.gif

7.gif

383 ms

H6cb330cf767741cd8519d6d08b1e5d6cJ.jpg

H6cb330cf767741cd8519d6d08b1e5d6cJ.jpg

551 ms

Hcde1281d20c942a3a997bd75f90c3200k.jpg

Hcde1281d20c942a3a997bd75f90c3200k.jpg

599 ms

Hf936d4b435d842d88a6c41955851d373a.jpg

Hf936d4b435d842d88a6c41955851d373a.jpg

1313 ms

Hf578003b7ca44198bcb45b77ada02ebaA.jpg

Hf578003b7ca44198bcb45b77ada02ebaA.jpg

482 ms

electrical-accessories-British-standard-1-gang-13A.jpg_350x350.jpg

electrical-accessories-British-standard-1-gang-13A.jpg_350x350.jpg

281 ms

High-quality-UK-standard-double-switched-double.jpg_350x350.jpg

High-quality-UK-standard-double-switched-double.jpg_350x350.jpg

535 ms

VGT-BS-Standard-White-Color-PC-1.jpg_350x350.jpg

VGT-BS-Standard-White-Color-PC-1.jpg_350x350.jpg

599 ms

VGT-China-Factory-Electrical-13A-universal-socket.jpg_350x350.jpg

VGT-China-Factory-Electrical-13A-universal-socket.jpg_350x350.jpg

975 ms

Italian-Standard-16A-250V-Isreal-switches-and.jpg_350x350.jpg

Italian-Standard-16A-250V-Isreal-switches-and.jpg_350x350.jpg

959 ms

Y012L-Egypt-Italy-One-Gang-Switch-PC.jpg_350x350.jpg

Y012L-Egypt-Italy-One-Gang-Switch-PC.jpg_350x350.jpg

1071 ms

H17081cc300cd4f1eb512776c69371ea5x.jpg

H17081cc300cd4f1eb512776c69371ea5x.jpg

1141 ms

Butt-Light-Plug-VGT-CV13-OEM-250V.jpg_350x350.jpg

Butt-Light-Plug-VGT-CV13-OEM-250V.jpg_350x350.jpg

1731 ms

Good-Quality-Factory-Direct-Waterproof-box-For.png_350x350.jpg

Good-Quality-Factory-Direct-Waterproof-box-For.png_350x350.jpg

1550 ms

Good-Quality-Bakelite-Material-6-Amp-407.jpg_350x350.jpg

Good-Quality-Bakelite-Material-6-Amp-407.jpg_350x350.jpg

1500 ms

Bakelite-B22-pin-type-wall-lampholder-bulb.png_350x350.jpg

Bakelite-B22-pin-type-wall-lampholder-bulb.png_350x350.jpg

1746 ms

VGT-Brand-Electric-2990B-B22-Angle-Type.jpg_350x350.jpg

VGT-Brand-Electric-2990B-B22-Angle-Type.jpg_350x350.jpg

1599 ms

H3f4b868c7042433d89a8c844e515030cf.jpg

H3f4b868c7042433d89a8c844e515030cf.jpg

599 ms

et_n.js

et_n.js

29 ms

um.js

um.js

107 ms

wu.json

wu.json

388 ms

um.json

um.json

58 ms

getUmid.do

getUmid.do

188 ms

eg.js

eg.js

8 ms

index.js

index.js

14 ms

Accessibility Review

zenpen.en.alibaba.com accessibility score

43

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

zenpen.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

zenpen.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 Zenpen.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 Zenpen.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

zenpen.en.alibaba.com

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