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nihonpiano.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

nihonpiano.com

日本ピアノ研究会 NIHON piano association | ピアノコンクール オーディション

Page Load Speed

2.8 sec in total

First Response

884 ms

Resources Loaded

1.8 sec

Page Rendered

159 ms

nihonpiano.com screenshot

About Website

Welcome to nihonpiano.com homepage info - get ready to check NIHON Piano best content right away, or after learning these important things about nihonpiano.com

Visit nihonpiano.com

Key Findings

We analyzed Nihonpiano.com page load time and found that the first response time was 884 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

nihonpiano.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

nihonpiano.com

884 ms

home.css

196 ms

logoanime.gif

708 ms

url.gif

182 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Nihonpiano.com and no external sources were called. The less responsive or slowest element that took the longest time to load (884 ms) belongs to the original domain Nihonpiano.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 704 B (51%)

Content Size

1.4 kB

After Optimization

682 B

  • HTML
  • CSS

In fact, the total size of Nihonpiano.com main page is 1.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 865 B which makes up the majority of the site volume.

HTML Optimization

-45%

Potential reduce by 390 B

  • Original 865 B
  • After minification 854 B
  • After compression 475 B

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 390 B or 45% of the original size.

CSS Optimization

-60%

Potential reduce by 314 B

  • Original 521 B
  • After minification 441 B
  • After compression 207 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. Nihonpiano.com needs all CSS files to be minified and compressed as it can save up to 314 B or 60% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NIHON Piano. According to our analytics all requests are already optimized.

Network Requests Diagram

nihonpiano.com

nihonpiano.com

884 ms

home.css

home.css

196 ms

logoanime.gif

logoanime.gif

708 ms

url.gif

url.gif

182 ms

Accessibility Review

nihonpiano.com accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

nihonpiano.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

nihonpiano.com SEO score

97

Search Engine Optimization Advices

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

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8/

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nihonpiano.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Nihonpiano.com main page’s claimed encoding is utf-8/. 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

nihonpiano.com

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