Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

everyonepiano.cn

Everyone Piano人人钢琴网 – 永久免费的钢琴学习软件

Page Load Speed

74.3 sec in total

First Response

17.7 sec

Resources Loaded

56.1 sec

Page Rendered

481 ms

everyonepiano.cn screenshot

About Website

Click here to check amazing Everyone Piano content for China. Otherwise, check out these important facts you probably never knew about everyonepiano.cn

EveryonePiano 是一款永久免费的电脑键盘钢琴模拟软件,它可以使用普通的电脑键盘演奏出美妙的钢琴曲。同时拥有强大的自带音色库,音色逼真,实时演奏,即使是在板载声卡上也可以实现无延迟演奏,同时还可以模拟钢琴的踏板效果。

Visit everyonepiano.cn

Key Findings

We analyzed Everyonepiano.cn page load time and found that the first response time was 17.7 sec and then it took 56.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

everyonepiano.cn performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value3.7 s

91/100

10%

Network Requests Diagram

everyonepiano.cn

17709 ms

bootstrap3.3.4.css

6737 ms

font-awesome.min.css

12239 ms

jquery-1.11.2.min.js

16848 ms

2015global.css

7914 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 97% of them (64 requests) were addressed to the original Everyonepiano.cn, 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Everyonepiano.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 238.1 kB (34%)

Content Size

705.6 kB

After Optimization

467.5 kB

In fact, the total size of Everyonepiano.cn main page is 705.6 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. 15% of websites need less resources to load. Images take 463.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 66.0 kB

  • Original 78.5 kB
  • After minification 69.4 kB
  • After compression 12.5 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. This page needs HTML code to be minified as it can gain 9.1 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 66.0 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 36.9 kB

  • Original 463.6 kB
  • After minification 426.8 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. Everyone Piano images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 1.3 kB

  • Original 2.0 kB
  • After minification 1.5 kB
  • After compression 693 B

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 1.3 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 133.9 kB

  • Original 161.4 kB
  • After minification 157.4 kB
  • After compression 27.5 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. Everyonepiano.cn needs all CSS files to be minified and compressed as it can save up to 133.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (12%)

Requests Now

41

After Optimization

36

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Everyone Piano. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

everyonepiano.cn accessibility score

78

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

Image elements do not have [alt] attributes

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>).

Best Practices

everyonepiano.cn best practices score

58

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

High

Page has valid source maps

SEO Factors

everyonepiano.cn SEO score

91

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Everyonepiano.cn 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 Everyonepiano.cn 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

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