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cover-cn.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

cover-cn.com

Cover Industrial co.,ltd - Sound Module | Sound Modules | Sound Card | manufacturer supplier Wholesale www.cover-cn.com

Page Load Speed

26.2 sec in total

First Response

682 ms

Resources Loaded

25 sec

Page Rendered

440 ms

cover-cn.com screenshot

About Website

Welcome to cover-cn.com homepage info - get ready to check Cover Cn best content right away, or after learning these important things about cover-cn.com

We are a manufacturer that mainly develop and produce all kinds of fashionable electronics such as the audio,recordable and LED products

Visit cover-cn.com

Key Findings

We analyzed Cover-cn.com page load time and found that the first response time was 682 ms and then it took 25.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 11 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cover-cn.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.4 s

38/100

10%

Network Requests Diagram

cover-cn.com

682 ms

cover-cn.com

1077 ms

647 ms

1196 ms

commStyle.css

216 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that all of those requests were addressed to Cover-cn.com and no external sources were called. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Cover-cn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 277.6 kB (42%)

Content Size

654.4 kB

After Optimization

376.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cover-cn.com main page is 654.4 kB. 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. Images take 585.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 14.3 kB

  • Original 18.3 kB
  • After minification 17.9 kB
  • After compression 4.0 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 14.3 kB or 78% of the original size.

Image Optimization

-43%

Potential reduce by 249.4 kB

  • Original 585.2 kB
  • After minification 335.8 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. Obviously, Cover Cn needs image optimization as it can save up to 249.4 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-25%

Potential reduce by 11.3 kB

  • Original 45.0 kB
  • After minification 44.8 kB
  • After compression 33.7 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 11.3 kB or 25% of the original size.

CSS Optimization

-44%

Potential reduce by 2.6 kB

  • Original 5.9 kB
  • After minification 5.8 kB
  • After compression 3.3 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. Cover-cn.com needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (11%)

Requests Now

36

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cover Cn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cover-cn.com

cover-cn.com

682 ms

cover-cn.com

cover-cn.com

1077 ms

647 ms

1196 ms

commStyle.css

commStyle.css

216 ms

layerStyle.css

layerStyle.css

433 ms

page.js

page.js

631 ms

superSlideCss.css

superSlideCss.css

637 ms

jquery1.42.min.js

jquery1.42.min.js

1287 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

858 ms

sonNav.js

sonNav.js

865 ms

swfobject.js

swfobject.js

647 ms

img_qq.png

img_qq.png

428 ms

img_ww.png

img_ww.png

849 ms

bg_headTool.png

bg_headTool.png

628 ms

img_china.png

img_china.png

216 ms

img_english.png

img_english.png

432 ms

img_logoEnglish.png

img_logoEnglish.png

1951 ms

bg_mainNav.png

bg_mainNav.png

430 ms

bg_mainNavOver.png

bg_mainNavOver.png

641 ms

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3518 ms

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3855 ms

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8076 ms

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5715 ms

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6412 ms

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20132 ms

slider-arrow.png

slider-arrow.png

3729 ms

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6792 ms

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7345 ms

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8311 ms

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8548 ms

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11819 ms

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9481 ms

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12453 ms

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13348 ms

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18549 ms

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12808 ms

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20220708104302666.jpg

13529 ms

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14429 ms

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19121 ms

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18633 ms

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20129 ms

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20129 ms

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20129 ms

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20130 ms

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20129 ms

twocode.jpg

twocode.jpg

20129 ms

bg_homeTitleLine.png

bg_homeTitleLine.png

20109 ms

bg_homeTitleHalfLine.png

bg_homeTitleHalfLine.png

19918 ms

bg_pageFoot.png

bg_pageFoot.png

19709 ms

bg_twocode.png

bg_twocode.png

19706 ms

Accessibility Review

cover-cn.com accessibility score

71

Accessibility Issues

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

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cover-cn.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cover-cn.com SEO score

62

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cover-cn.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 Cover-cn.com main page’s claimed encoding is gb2312. 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

cover-cn.com

Open Graph description is not detected on the main page of Cover Cn. 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: