Tools & Wizards About Us
headphoneclub.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 38

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

headphoneclub.com

耳机爱好者俱乐部_耳机发烧友论坛

Page Load Speed

6.1 sec in total

First Response

672 ms

Resources Loaded

5.2 sec

Page Rendered

289 ms

headphoneclub.com screenshot

About Website

Click here to check amazing Headphoneclub content for China. Otherwise, check out these important facts you probably never knew about headphoneclub.com

耳机俱乐部是国内专业发烧耳机耳塞论坛，聚集了一大批国内外耳机爱好者和发烧友，俱乐部提供最专业的相关产品评测以及互动活动。

Visit headphoneclub.com

Key Findings

We analyzed Headphoneclub.com page load time and found that the first response time was 672 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

headphoneclub.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

headphoneclub.com

672 ms

www.headphoneclub.com

914 ms

style_5_common.css

421 ms

common.js

640 ms

portal.js

439 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 83% of them (68 requests) were addressed to the original Headphoneclub.com, 7% (6 requests) were made to Pic.jd-bbs.com and 5% (4 requests) were made to Pic.jdbbs.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Photo.jd-bbs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 331.0 kB (8%)

Content Size

4.2 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Headphoneclub.com main page is 4.2 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. 45% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 50.0 kB

  • Original 68.1 kB
  • After minification 67.6 kB
  • After compression 18.1 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 50.0 kB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 267.7 kB

  • Original 4.1 MB
  • After minification 3.8 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. Headphoneclub images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 6.4 kB

  • Original 40.1 kB
  • After minification 40.1 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 6.4 kB or 16% of the original size.

CSS Optimization

-29%

Potential reduce by 6.9 kB

  • Original 23.5 kB
  • After minification 22.6 kB
  • After compression 16.6 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. Headphoneclub.com needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (8%)

Requests Now

80

After Optimization

74

  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Headphoneclub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

headphoneclub.com

headphoneclub.com

672 ms

www.headphoneclub.com

www.headphoneclub.com

914 ms

style_5_common.css

style_5_common.css

421 ms

common.js

common.js

640 ms

portal.js

portal.js

439 ms

logging.js

logging.js

443 ms

md5.js

md5.js

458 ms

portal.css

portal.css

460 ms

index.css

index.css

632 ms

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1008 ms

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1764 ms

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1929 ms

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1981 ms

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2105 ms

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2146 ms

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2205 ms

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2324 ms

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2354 ms

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1011 ms

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1216 ms

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1072 ms

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1104 ms

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1099 ms

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1101 ms

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1528 ms

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761 ms

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920 ms

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2207 ms

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857 ms

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860 ms

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843 ms

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786 ms

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796 ms

Accessibility Review

headphoneclub.com accessibility score

38

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best Practices

headphoneclub.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

headphoneclub.com SEO score

90

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

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Headphoneclub.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Headphoneclub.com main page’s claimed encoding is gbk. 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

headphoneclub.com

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