Tools & Wizards About Us
voice-training.jp screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

voice-training.jp

東京（新宿・渋谷・神田・吉祥寺・三鷹）にあるボイストレーニングアカデミーにお越しください

Page Load Speed

6.9 sec in total

First Response

481 ms

Resources Loaded

5.7 sec

Page Rendered

788 ms

voice-training.jp screenshot

About Website

Click here to check amazing Voice Training content. Otherwise, check out these important facts you probably never knew about voice-training.jp

東京（新宿・渋谷・神田・吉祥寺・三鷹）にあるボイストレーニングアカデミーは、声量や話し方を改善し、生徒が自信を持って話すことができるように指導しております。声や滑舌に自信のない方はぜひお越しください。

Visit voice-training.jp

Key Findings

We analyzed Voice-training.jp page load time and found that the first response time was 481 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

voice-training.jp performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,330 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

voice-training.jp

481 ms

www.voice-training.jp

864 ms

index.css

318 ms

import.css

313 ms

advanced.css

317 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 91% of them (49 requests) were addressed to the original Voice-training.jp, 9% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Voice-training.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.4 kB (4%)

Content Size

1.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voice-training.jp main page is 1.1 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. 20% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 17.0 kB

  • Original 26.3 kB
  • After minification 25.9 kB
  • After compression 9.3 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 17.0 kB or 65% of the original size.

Image Optimization

-2%

Potential reduce by 15.9 kB

  • Original 1.0 MB
  • After minification 1.0 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. Voice Training images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.1 kB

  • Original 39.7 kB
  • After minification 39.6 kB
  • After compression 38.6 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

-82%

Potential reduce by 11.4 kB

  • Original 13.9 kB
  • After minification 10.8 kB
  • After compression 2.5 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. Voice-training.jp needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (19%)

Requests Now

52

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voice Training. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

voice-training.jp

voice-training.jp

481 ms

www.voice-training.jp

www.voice-training.jp

864 ms

index.css

index.css

318 ms

import.css

import.css

313 ms

advanced.css

advanced.css

317 ms

rss.css

rss.css

313 ms

rss.php

rss.php

491 ms

base.css

base.css

194 ms

analytics.js

analytics.js

116 ms

search.cgi

search.cgi

424 ms

back.jpg

back.jpg

325 ms

headbg.gif

headbg.gif

328 ms

head.gif

head.gif

665 ms

vtaimage.jpg

vtaimage.jpg

1419 ms

mn_home.jpg

mn_home.jpg

355 ms

mn_stff.jpg

mn_stff.jpg

678 ms

mn_nws.jpg

mn_nws.jpg

686 ms

mn_trg.jpg

mn_trg.jpg

710 ms

mn_vc.jpg

mn_vc.jpg

705 ms

mn_clss.jpg

mn_clss.jpg

981 ms

mn_qa.jpg

mn_qa.jpg

1007 ms

mn_bs.jpg

mn_bs.jpg

1014 ms

side_bnr_trg.jpg

side_bnr_trg.jpg

1338 ms

side_bnr_clss.jpg

side_bnr_clss.jpg

1405 ms

bn_book.gif

bn_book.gif

1652 ms

side_bnr_blog.jpg

side_bnr_blog.jpg

1639 ms

qr.jpg

qr.jpg

1538 ms

voice.png

voice.png

1841 ms

flash_back.gif

flash_back.gif

1763 ms

img_dov.gif

img_dov.gif

2270 ms

popyoko.jpg

popyoko.jpg

3725 ms

line01.gif

line01.gif

1952 ms

003.jpg

003.jpg

2011 ms

002.jpg

002.jpg

2070 ms

001.jpg

001.jpg

2175 ms

p03.jpg

p03.jpg

2784 ms

top_tct_back1.gif

top_tct_back1.gif

2639 ms

tpc_ttl.jpg

tpc_ttl.jpg

2401 ms

nws_ttl.jpg

nws_ttl.jpg

2672 ms

tel-bg.jpg

tel-bg.jpg

3158 ms

merit2.gif

merit2.gif

2709 ms

title_m01.gif

title_m01.gif

3142 ms

p02.jpg

p02.jpg

3338 ms

title_m02.gif

title_m02.gif

3184 ms

title_m03.gif

title_m03.gif

3157 ms

ga.js

ga.js

11 ms

collect

collect

16 ms

__utm.gif

__utm.gif

14 ms

p01.jpg

p01.jpg

3450 ms

waku01b.gif

waku01b.gif

3168 ms

waku01a.gif

waku01a.gif

3172 ms

__utm.gif

__utm.gif

3 ms

foot_back.jpg

foot_back.jpg

3206 ms

footer.jpg

footer.jpg

3300 ms

Accessibility Review

voice-training.jp accessibility score

78

Accessibility Issues

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

voice-training.jp best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

voice-training.jp SEO score

92

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

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 Voice-training.jp 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 Voice-training.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

voice-training.jp

Open Graph description is not detected on the main page of Voice Training. 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: