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

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

dgflysonic.en.alibaba.com

Dongguan Flysonic Electronics Co., Ltd. - Car DVD Player, Car Radio

Page Load Speed

3.6 sec in total

First Response

77 ms

Resources Loaded

2.9 sec

Page Rendered

648 ms

dgflysonic.en.alibaba.com screenshot

About Website

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

Dongguan Flysonic Electronics Co., Ltd., Experts in Manufacturing and Exporting Car DVD Player, Car Radio and 0 more Products.

Visit dgflysonic.en.alibaba.com

Key Findings

We analyzed Dgflysonic.en.alibaba.com page load time and found that the first response time was 77 ms and then it took 3.6 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

dgflysonic.en.alibaba.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value6,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.825

4/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

dgflysonic.en.alibaba.com

77 ms

dgflysonic.en.alibaba.com

1069 ms

68 ms

65 ms

header.css

176 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 2% of them (3 requests) were addressed to the original Dgflysonic.en.alibaba.com, 39% (56 requests) were made to Sc04.alicdn.com and 22% (32 requests) were made to S.alicdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Sc04.alicdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.9 MB (59%)

Content Size

6.5 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dgflysonic.en.alibaba.com main page is 6.5 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 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 452.9 kB

  • Original 552.4 kB
  • After minification 548.4 kB
  • After compression 99.4 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 452.9 kB or 82% of the original size.

Image Optimization

-25%

Potential reduce by 132.7 kB

  • Original 522.4 kB
  • After minification 389.7 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, Dg Flysonic En Alibaba needs image optimization as it can save up to 132.7 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 3.0 MB

  • Original 5.1 MB
  • After minification 5.1 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 3.0 MB or 59% of the original size.

CSS Optimization

-72%

Potential reduce by 285.6 kB

  • Original 397.6 kB
  • After minification 346.8 kB
  • After compression 112.0 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. Dgflysonic.en.alibaba.com needs all CSS files to be minified and compressed as it can save up to 285.6 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (39%)

Requests Now

132

After Optimization

81

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dg Flysonic 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dgflysonic.en.alibaba.com

dgflysonic.en.alibaba.com

77 ms

dgflysonic.en.alibaba.com

dgflysonic.en.alibaba.com

1069 ms

68 ms

65 ms

header.css

header.css

176 ms

header.js

header.js

134 ms

325 ms

web-index.css

web-index.css

62 ms

web-index.css

web-index.css

130 ms

web-index.css

web-index.css

132 ms

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web-index.css

131 ms

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web-index.css

132 ms

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135 ms

451 ms

128 ms

index.js

index.js

129 ms

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522 ms

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332 ms

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293 ms

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333 ms

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440 ms

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560 ms

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518 ms

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329 ms

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522 ms

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567 ms

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521 ms

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879 ms

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599 ms

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637 ms

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1307 ms

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879 ms

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664 ms

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702 ms

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879 ms

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1231 ms

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879 ms

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1291 ms

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943 ms

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940 ms

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1291 ms

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1232 ms

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1228 ms

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1238 ms

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1289 ms

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1237 ms

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1370 ms

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1290 ms

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1458 ms

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1560 ms

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1510 ms

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1312 ms

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1679 ms

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1688 ms

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598 ms

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637 ms

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706 ms

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874 ms

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800 ms

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1149 ms

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97 ms

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178 ms

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170 ms

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1133 ms

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91 ms

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1149 ms

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1407 ms

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68 ms

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1359 ms

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Accessibility Review

dgflysonic.en.alibaba.com accessibility score

41

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

dgflysonic.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

Missing source maps for large first-party JavaScript

SEO Factors

dgflysonic.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 Dgflysonic.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 Dgflysonic.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

dgflysonic.en.alibaba.com

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