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

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

zenlea.en.alibaba.com

Zhongshan ZENLEA Lighting Technology Co., Ltd.

Page Load Speed

2.6 sec in total

First Response

289 ms

Resources Loaded

2 sec

Page Rendered

255 ms

zenlea.en.alibaba.com screenshot

About Website

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

Zhongshan ZENLEA Lighting Technology Co., Ltd., Experts in Manufacturing and Exporting and 0 more Products.

Visit zenlea.en.alibaba.com

Key Findings

We analyzed Zenlea.en.alibaba.com page load time and found that the first response time was 289 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zenlea.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value4,680 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

zenlea.en.alibaba.com

289 ms

zenlea.en.alibaba.com

279 ms

55 ms

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

33 ms

index.js

49 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Zenlea.en.alibaba.com, 29% (8 requests) were made to S.alicdn.com and 21% (6 requests) were made to Sc04.alicdn.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 656.7 kB (39%)

Content Size

1.7 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Zenlea.en.alibaba.com main page is 1.7 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. 35% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 308.1 kB

  • Original 379.8 kB
  • After minification 379.0 kB
  • After compression 71.6 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 308.1 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 985 B

  • Original 13.1 kB
  • After minification 12.1 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. ZENLEA En Alibaba images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 347.6 kB

  • Original 1.3 MB
  • After minification 1.3 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 347.6 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • AJAX
  • Images
  • JavaScript

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZENLEA 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

zenlea.en.alibaba.com

zenlea.en.alibaba.com

289 ms

zenlea.en.alibaba.com

zenlea.en.alibaba.com

279 ms

55 ms

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

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

33 ms

index.js

index.js

49 ms

index.js

index.js

37 ms

renderHeader.js

renderHeader.js

43 ms

awsc.js

awsc.js

79 ms

42 ms

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

O1CN01REbO5M1iNFNVX2yeq_!!6000000004400-2-tps-1920-200.png

58 ms

H308abafd74bc4f1688f55a399e43e7f2h.png

H308abafd74bc4f1688f55a399e43e7f2h.png

488 ms

H8eafdfa38a074fee95b8042a9f90d771R.jpg

H8eafdfa38a074fee95b8042a9f90d771R.jpg

1010 ms

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

O1CN01kpueUS231orwYDJAV_!!6000000007196-2-tps-132-34.png

44 ms

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

O1CN01gZ3lTu1XIFHZfHHGr_!!6000000002900-2-tps-36-36.png

36 ms

Hbfb97e8ccab8483dbe15fcdad12d6882g.jpg

Hbfb97e8ccab8483dbe15fcdad12d6882g.jpg

1133 ms

H3886880426f148f9b0cd2175c361142fv.jpg

H3886880426f148f9b0cd2175c361142fv.jpg

898 ms

H38957b69d290471f87d7359e57203ed6Y.jpg

H38957b69d290471f87d7359e57203ed6Y.jpg

670 ms

Hfd7d080d2ba247b9a19fe8eda9f64325Z.jpg

Hfd7d080d2ba247b9a19fe8eda9f64325Z.jpg

1216 ms

H254116d3fd584659aa064014d23c48f5U.jpg

H254116d3fd584659aa064014d23c48f5U.jpg

1120 ms

H480be07ea13c4fd8acf1d0faad8ac3a8m.jpg

H480be07ea13c4fd8acf1d0faad8ac3a8m.jpg

992 ms

7.gif

7.gif

19 ms

et_n.js

et_n.js

8 ms

um.js

um.js

85 ms

wu.json

wu.json

629 ms

um.json

um.json

54 ms

getUmid.do

getUmid.do

42 ms

eg.js

eg.js

3 ms

index.js

index.js

4 ms

Accessibility Review

zenlea.en.alibaba.com accessibility score

72

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

High

Links do not have a discernible name

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

zenlea.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

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

zenlea.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 Zenlea.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 Zenlea.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

zenlea.en.alibaba.com

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