Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

undertone.en.alibaba.com

Shenzhen Qingyangxin Technology Co., Ltd. - Active Noise Cancelling Headphones, Over Ear Deep Bass Wireless Bluetooth Headphone

Page Load Speed

473 ms in total

First Response

78 ms

Resources Loaded

343 ms

Page Rendered

52 ms

About Website

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

Shenzhen Qingyangxin Technology Co., Ltd., Experts in Manufacturing and Exporting Active Noise Cancelling Headphones, Over Ear Deep Bass Wireless Bluetooth Headphone and 0 more Products.

Visit undertone.en.alibaba.com

Key Findings

We analyzed Undertone.en.alibaba.com page load time and found that the first response time was 78 ms and then it took 395 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

undertone.en.alibaba.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value1,520 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

undertone.en.alibaba.com

78 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Undertone.en.alibaba.com and no external sources were called. The less responsive or slowest element that took the longest time to load (78 ms) belongs to the original domain Undertone.en.alibaba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (26%)

Content Size

4.1 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Undertone.en.alibaba.com main page is 4.1 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-15%

Potential reduce by 6 B

  • Original 39 B
  • After minification 39 B
  • After compression 33 B

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 6 B or 15% of the original size.

Image Optimization

-12%

Potential reduce by 405.1 kB

  • Original 3.3 MB
  • After minification 2.9 MB

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, Undertone En Alibaba needs image optimization as it can save up to 405.1 kB or 12% 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 120.1 kB

  • Original 258.7 kB
  • After minification 258.6 kB
  • After compression 138.6 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 120.1 kB or 46% of the original size.

CSS Optimization

-95%

Potential reduce by 557.0 kB

  • Original 589.0 kB
  • After minification 192.4 kB
  • After compression 32.0 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. Undertone.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 557.0 kB or 95% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

Accessibility Review

undertone.en.alibaba.com accessibility score

67

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

undertone.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

undertone.en.alibaba.com SEO score

100

Search Engine Optimization Advices

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 uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Undertone.en.alibaba.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Undertone.en.alibaba.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Undertone En Alibaba. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: