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virtualpiano.eu screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

virtualpiano.eu

Virtual Piano - Play Piano Keyboard

Page Load Speed

9.1 sec in total

First Response

1 sec

Resources Loaded

8 sec

Page Rendered

129 ms

virtualpiano.eu screenshot

About Website

Welcome to virtualpiano.eu homepage info - get ready to check Virtual Piano best content for United States right away, or after learning these important things about virtualpiano.eu

VirtualPiano.eu is the best VirtualPiano Keyboard Online, 128 Sounds preset, play a professional Synthesizer with this Web App on your PC, you can use external keyboard device!

Visit virtualpiano.eu

Key Findings

We analyzed Virtualpiano.eu page load time and found that the first response time was 1 sec and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

virtualpiano.eu performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value6,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.236

53/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

virtualpiano.eu

1039 ms

virtualpiano.eu

2431 ms

custom-elements

68 ms

webaudio-tinysynth.js

179 ms

webaudio-controls.js

43 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 20% of them (7 requests) were addressed to the original Virtualpiano.eu, 31% (11 requests) were made to Static.xx.fbcdn.net and 9% (3 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Virtualpiano.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.2 kB (21%)

Content Size

435.4 kB

After Optimization

345.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Virtualpiano.eu main page is 435.4 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. Javascripts take 306.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 30.3 kB

  • Original 41.8 kB
  • After minification 40.2 kB
  • After compression 11.5 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. 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 30.3 kB or 72% of the original size.

Image Optimization

-12%

Potential reduce by 10.1 kB

  • Original 85.1 kB
  • After minification 75.1 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, Virtual Piano needs image optimization as it can save up to 10.1 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

-16%

Potential reduce by 48.4 kB

  • Original 306.7 kB
  • After minification 306.7 kB
  • After compression 258.3 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 48.4 kB or 16% of the original size.

CSS Optimization

-78%

Potential reduce by 1.5 kB

  • Original 1.9 kB
  • After minification 1.5 kB
  • After compression 407 B

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. Virtualpiano.eu needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (83%)

Requests Now

29

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtual 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 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

virtualpiano.eu

virtualpiano.eu

1039 ms

virtualpiano.eu

virtualpiano.eu

2431 ms

custom-elements

custom-elements

68 ms

webaudio-tinysynth.js

webaudio-tinysynth.js

179 ms

webaudio-controls.js

webaudio-controls.js

43 ms

css

css

54 ms

css

css

82 ms

sharethis.js

sharethis.js

42 ms

sdk.js

sdk.js

39 ms

adsbygoogle.js

adsbygoogle.js

129 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

41 ms

jquery.glue.min.js

jquery.glue.min.js

287 ms

jquery.glue.css

jquery.glue.css

346 ms

custom-elements@1.6.0

custom-elements@1.6.0

21 ms

custom-elements.min.js

custom-elements.min.js

17 ms

l7gdbjpo0cum0ckerWCdlg_L.ttf

l7gdbjpo0cum0ckerWCdlg_L.ttf

99 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf

103 ms

sdk.js

sdk.js

67 ms

show_ads_impl.js

show_ads_impl.js

267 ms

index.html

index.html

90 ms

choice.js

choice.js

456 ms

live.png

live.png

4067 ms

feedback.php

feedback.php

288 ms

cmp2-polyfilled.js

cmp2-polyfilled.js

3 ms

FazSYeCtpcS.css

FazSYeCtpcS.css

14 ms

bK8WdDts4Jd.css

bK8WdDts4Jd.css

17 ms

AkV4cevgxL7.js

AkV4cevgxL7.js

33 ms

G77IODpV7wo.js

G77IODpV7wo.js

33 ms

HWvliHCdTdn.js

HWvliHCdTdn.js

59 ms

p55HfXW__mM.js

p55HfXW__mM.js

32 ms

2zdSXGm6unY.js

2zdSXGm6unY.js

58 ms

gzMFRQPwTBD.js

gzMFRQPwTBD.js

58 ms

A26OeqL15Mp.js

A26OeqL15Mp.js

96 ms

rmlhh79eZQs.js

rmlhh79eZQs.js

96 ms

sUfh8wHFmyZ.js

sUfh8wHFmyZ.js

3 ms

Accessibility Review

virtualpiano.eu accessibility score

78

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

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

virtualpiano.eu best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

virtualpiano.eu SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

virtualpiano.eu

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