Tools & Wizards About Us

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

voat.co.jp

デビューを目指すボイトレはヴォート 【ボーカルスクールVOAT】｜東京（新宿、原宿、中野、都立大）・名古屋栄・福岡博多にあるボイトレ教室

Page Load Speed

16.6 sec in total

First Response

12 ms

Resources Loaded

14.7 sec

Page Rendered

1.9 sec

About Website

Welcome to voat.co.jp homepage info - get ready to check Voat best content right away, or after learning these important things about voat.co.jp

東京（新宿、原宿、中野、都立大）、名古屋（栄）、福岡（博多）に展開するボーカルスクールVOAT。ソニー、avex、ビクターなど数々のデビュー実績、ボイトレならヴォートにお任せ。カラオケ上達からプロ志望まであなたのレベルに最適な発声練習～ボイストレーニング(ボイトレ)といった様々なレッスンが受けらるボイトレ教室です！大手レコード会社のオーディションも毎月開催中！

Visit voat.co.jp

Key Findings

We analyzed Voat.co.jp page load time and found that the first response time was 12 ms and then it took 16.6 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.

Performance Metrics

voat.co.jp performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value15.9 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value2,500 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value1.614

0/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

voat.co.jp

12 ms

www.voat.co.jp

769 ms

ytag.js

1034 ms

gtm.js

111 ms

fbevents.js

55 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 81% of them (115 requests) were addressed to the original Voat.co.jp, 5% (7 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Voat.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.5 kB (6%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voat.co.jp main page is 1.9 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. 65% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 102.7 kB

  • Original 124.8 kB
  • After minification 107.2 kB
  • After compression 22.1 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. This page needs HTML code to be minified as it can gain 17.6 kB, which is 14% 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 102.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 3.1 kB

  • Original 1.6 MB
  • After minification 1.6 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. Voat images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 335 B

  • Original 99.1 kB
  • After minification 99.1 kB
  • After compression 98.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-23%

Potential reduce by 9.4 kB

  • Original 40.2 kB
  • After minification 40.2 kB
  • After compression 30.8 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. Voat.co.jp needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (21%)

Requests Now

131

After Optimization

103

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

voat.co.jp accessibility score

84

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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>).

High

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

Best Practices

voat.co.jp 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

SEO Factors

voat.co.jp SEO score

73

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Voat.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Voat.co.jp 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 Voat. 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: