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

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

lesound.en.alibaba.com

Ningbo Lesound Electronics Co., Ltd. - Stands, Cables

Page Load Speed

4.3 sec in total

First Response

13 ms

Resources Loaded

3.4 sec

Page Rendered

846 ms

lesound.en.alibaba.com screenshot

About Website

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

Ningbo Lesound Electronics Co., Ltd., Experts in Manufacturing and Exporting Stands, Cables and 0 more Products.

Visit lesound.en.alibaba.com

Key Findings

We analyzed Lesound.en.alibaba.com page load time and found that the first response time was 13 ms and then it took 4.3 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

lesound.en.alibaba.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value5,970 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value28.3 s

0/100

10%

Network Requests Diagram

lesound.en.alibaba.com

13 ms

lesound.en.alibaba.com

839 ms

76 ms

73 ms

header.css

127 ms

Our browser made a total of 170 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Lesound.en.alibaba.com, 33% (56 requests) were made to Img.alicdn.com and 21% (36 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Img.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.2 MB (57%)

Content Size

7.3 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lesound.en.alibaba.com main page is 7.3 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. Only a small number of websites need less resources to load. Javascripts take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 511.0 kB

  • Original 625.9 kB
  • After minification 622.0 kB
  • After compression 114.9 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 511.0 kB or 82% of the original size.

Image Optimization

-18%

Potential reduce by 179.1 kB

  • Original 981.4 kB
  • After minification 802.3 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, Lesound En Alibaba needs image optimization as it can save up to 179.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 3.2 MB

  • Original 5.3 MB
  • After minification 5.3 MB
  • After compression 2.1 MB

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 3.2 MB or 61% of the original size.

CSS Optimization

-72%

Potential reduce by 283.9 kB

  • Original 395.1 kB
  • After minification 344.2 kB
  • After compression 111.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Lesound.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 283.9 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (32%)

Requests Now

150

After Optimization

102

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 150 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lesound 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 29 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lesound.en.alibaba.com

lesound.en.alibaba.com

13 ms

lesound.en.alibaba.com

lesound.en.alibaba.com

839 ms

76 ms

73 ms

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header.css

127 ms

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165 ms

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134 ms

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162 ms

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1309 ms

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TB1VtZtebH1gK0jSZFwXXc7aXXa-65-70.gif

630 ms

error.html

error.html

308 ms

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

TB1QhYprKT2gK0jSZFvXXXnFXXa-20-20.png

593 ms

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

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

776 ms

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

O1CN01lsY1P61yvAejjEVHt_!!6000000006640-2-tps-584-560.png

745 ms

error.html

error.html

304 ms

offline.gif

offline.gif

1020 ms

offline.gif

offline.gif

1016 ms

offline.gif

offline.gif

821 ms

Accessibility Review

lesound.en.alibaba.com accessibility score

64

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

lesound.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

lesound.en.alibaba.com SEO score

71

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

High

Document doesn't have a valid hreflang

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 Lesound.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 Lesound.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

lesound.en.alibaba.com

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