Tools & Wizards About Us
voat.co.jp screenshot

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

voat.co.jp screenshot

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

voat.co.jp

voat.co.jp

12 ms

www.voat.co.jp

www.voat.co.jp

769 ms

ytag.js

ytag.js

1034 ms

gtm.js

gtm.js

111 ms

fbevents.js

fbevents.js

55 ms

js

js

176 ms

lazysizes.min.js

lazysizes.min.js

741 ms

base.css

base.css

732 ms

ex-tb.css

ex-tb.css

792 ms

Untitled-5_2306.css

Untitled-5_2306.css

818 ms

news-item.css

news-item.css

759 ms

logo.svg

logo.svg

781 ms

login.svg

login.svg

1469 ms

mypage.svg

mypage.svg

1489 ms

css2

css2

129 ms

css2

css2

132 ms

font-awesome.min.css

font-awesome.min.css

128 ms

jquery.min.js

jquery.min.js

127 ms

slick.css

slick.css

1456 ms

slick-theme.css

slick-theme.css

1493 ms

slick.min.js

slick.min.js

1562 ms

aos.css

aos.css

129 ms

aos.js

aos.js

159 ms

vue.min.js

vue.min.js

1524 ms

isLogin.js

isLogin.js

2150 ms

tel_icon_w.svg

tel_icon_w.svg

2228 ms

telicon1.svg

telicon1.svg

2232 ms

telicon2.svg

telicon2.svg

2230 ms

navitem1.svg

navitem1.svg

2242 ms

navitem_login.svg

navitem_login.svg

2277 ms

navitem_mypage.svg

navitem_mypage.svg

2871 ms

navitem2.svg

navitem2.svg

2888 ms

navitem3.svg

navitem3.svg

2925 ms

btest1.svg

btest1.svg

2935 ms

btest2.svg

btest2.svg

2961 ms

top-sp1.jpg

top-sp1.jpg

2989 ms

top-sp2.jpg

top-sp2.jpg

3592 ms

topttl.svg

topttl.svg

3619 ms

icon_web_w.svg

icon_web_w.svg

3632 ms

kyujintop.svg

kyujintop.svg

3663 ms

ts1_sq.jpg

ts1_sq.jpg

3680 ms

221013_toritsu_lobby-thumb-600xauto-10764.jpeg

221013_toritsu_lobby-thumb-600xauto-10764.jpeg

3717 ms

ts3_sq.jpg

ts3_sq.jpg

4308 ms

f-1.jpg

f-1.jpg

4337 ms

about22.jpg

about22.jpg

4348 ms

fra1.jpg

fra1.jpg

4391 ms

fra2.jpg

fra2.jpg

4407 ms

fra3.jpg

fra3.jpg

4447 ms

js

js

60 ms

analytics.js

analytics.js

208 ms

js

js

206 ms

collect

collect

28 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

17 ms

collect

collect

11 ms

ga-audiences

ga-audiences

93 ms

fra4.jpg

fra4.jpg

4312 ms

artistitem1.png

artistitem1.png

4338 ms

artistitem2.png

artistitem2.png

4328 ms

artistitem3.png

artistitem3.png

4339 ms

artistitem4.png

artistitem4.png

4356 ms

artistitem5.png

artistitem5.png

4183 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

97 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

211 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

221 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

119 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w-.ttf

127 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

128 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

129 ms

artistitem6.png

artistitem6.png

4283 ms

artistitem7.png

artistitem7.png

4319 ms

artistitem8.png

artistitem8.png

4324 ms

artistitem9.png

artistitem9.png

4313 ms

artistitem_kt.svg

artistitem_kt.svg

4360 ms

artistitem10.svg

artistitem10.svg

4343 ms

sdk.js

sdk.js

31 ms

sdk.js

sdk.js

5 ms

34 ms

top_incl_audition.html

top_incl_audition.html

4247 ms

artistitem_ta.svg

artistitem_ta.svg

4265 ms

nakano1.jpg

nakano1.jpg

4290 ms

nakano2.jpg

nakano2.jpg

4299 ms

line.png

line.png

4350 ms

kou2.jpg

kou2.jpg

4365 ms

o-de_syon2022_pc.jpg

o-de_syon2022_pc.jpg

4318 ms

o-de_2022.jpg

o-de_2022.jpg

4328 ms

o-de_prp2022.jpg

o-de_prp2022.jpg

4321 ms

item1.svg

item1.svg

4335 ms

item2.svg

item2.svg

4356 ms

item3.svg

item3.svg

4370 ms

item4.svg

item4.svg

4327 ms

item5.svg

item5.svg

4316 ms

item6.svg

item6.svg

4317 ms

pops2.jpg

pops2.jpg

4333 ms

pops22.jpg

pops22.jpg

4358 ms

singersong2.jpg

singersong2.jpg

4367 ms

singersong22.jpg

singersong22.jpg

4339 ms

hikiga2.jpg

hikiga2.jpg

4328 ms

hikiga22.jpg

hikiga22.jpg

4328 ms

anison2.jpg

anison2.jpg

4317 ms

anison22.jpg

anison22.jpg

4354 ms

seiyu2.jpg

seiyu2.jpg

4351 ms

seiyu22.jpg

seiyu22.jpg

3838 ms

dancecocal2.jpg

dancecocal2.jpg

4342 ms

dancecocal22.jpg

dancecocal22.jpg

4329 ms

kpop2.jpg

kpop2.jpg

4318 ms

kpop22.jpg

kpop22.jpg

4353 ms

jazz2.jpg

jazz2.jpg

4329 ms

jazz22.jpg

jazz22.jpg

3844 ms

yougaku2.jpg

yougaku2.jpg

4341 ms

yougaku22.jpg

yougaku22.jpg

4397 ms

net2.jpg

net2.jpg

4299 ms

net22.jpg

net22.jpg

4321 ms

f1bn22.jpg

f1bn22.jpg

4262 ms

top_incl_news.html

top_incl_news.html

3848 ms

f2bn22.jpg

f2bn22.jpg

4378 ms

f3bn22.jpg

f3bn22.jpg

4329 ms

f4bn22.jpg

f4bn22.jpg

4382 ms

relate_logos.svg

relate_logos.svg

4325 ms

icon-line_arrow_bold.svg

icon-line_arrow_bold.svg

4304 ms

twiite22.svg

twiite22.svg

3834 ms

inst22.svg

inst22.svg

4372 ms

face22.svg

face22.svg

4336 ms

icon_youtube.svg

icon_youtube.svg

4357 ms

voat_banner_pc.svg

voat_banner_pc.svg

4322 ms

voat_banner_sp.svg

voat_banner_sp.svg

4307 ms

f-bo.jpg

f-bo.jpg

3826 ms

event01_bg1.jpg

event01_bg1.jpg

4365 ms

event02_bg2.jpg

event02_bg2.jpg

4387 ms

event03_bg3.jpg

event03_bg3.jpg

4353 ms

ajax-loader.gif

ajax-loader.gif

4310 ms

96f0e4d28e91a3d94f9a257a3dfc65868b6726ad-thumb-600xauto-12578.jpg

96f0e4d28e91a3d94f9a257a3dfc65868b6726ad-thumb-600xauto-12578.jpg

4305 ms

1f9d74ac6edd7fceec4f7c1acc20287f5bcc3eef-thumb-600xauto-12558.jpg

1f9d74ac6edd7fceec4f7c1acc20287f5bcc3eef-thumb-600xauto-12558.jpg

3826 ms

148938da696721c2fb9b61b19a45dd8616772cae-thumb-600xauto-12559.jpg

148938da696721c2fb9b61b19a45dd8616772cae-thumb-600xauto-12559.jpg

4368 ms

d8566baf7b46defb1def535725d2534c2cd7b614-thumb-600xauto-12556.jpg

d8566baf7b46defb1def535725d2534c2cd7b614-thumb-600xauto-12556.jpg

4477 ms

top_incl_live.html

top_incl_live.html

2247 ms

220426_ONLINE4-thumb-600xauto-10444%20%281%29-thumb-600xauto-10447.jpg

220426_ONLINE4-thumb-600xauto-10444%20%281%29-thumb-600xauto-10447.jpg

2758 ms

231113_voat_campaign_news-thumb-600xauto-11928.jpg

231113_voat_campaign_news-thumb-600xauto-11928.jpg

2803 ms

voatnakano2-thumb-600xauto-10658-thumb-600xauto-12136.jpg

voatnakano2-thumb-600xauto-10658-thumb-600xauto-12136.jpg

2909 ms

showcase_haishin_live-thumb-600xauto-10633-thumb-600xauto-11056.jpg

showcase_haishin_live-thumb-600xauto-10633-thumb-600xauto-11056.jpg

764 ms

trystage_3.23-thumb-600xauto-10655-thumb-600xauto-11057.jpg

trystage_3.23-thumb-600xauto-10655-thumb-600xauto-11057.jpg

1139 ms

trystage_2.25-thumb-600xauto-10634-thumb-600xauto-11058.jpg

trystage_2.25-thumb-600xauto-10634-thumb-600xauto-11058.jpg

1168 ms

dance_vocal-thumb-600xauto-10635-thumb-600xauto-11055.jpg

dance_vocal-thumb-600xauto-10635-thumb-600xauto-11055.jpg

1208 ms

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

voat.co.jp

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: