Tools & Wizards About Us

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

tone.ne.jp

【公式】トーンモバイル｜家族みんなで安心して使えるやさしいスマホへ

Page Load Speed

6 sec in total

First Response

516 ms

Resources Loaded

4.3 sec

Page Rendered

1.1 sec

About Website

Click here to check amazing Tone content for Japan. Otherwise, check out these important facts you probably never knew about tone.ne.jp

トーンモバイルはインターネット使い放題（動画は2GBまで）で、月額1,210円からご利用いただけるスマホ（SIM）です。充実の見守り機能や安心のサポートで、お子様やシニアの方の「はじめてスマホ」にもおすすめです。60歳以上の方はシニア割もあります。

Visit tone.ne.jp

Key Findings

We analyzed Tone.ne.jp page load time and found that the first response time was 516 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tone.ne.jp performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value44.1 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.553

13/100

15%

TTI (Time to Interactive)

Value27.4 s

0/100

10%

Network Requests Diagram

tone.ne.jp

516 ms

tone.ne.jp

643 ms

normalize.min.css

160 ms

common.css

319 ms

layout.css

478 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 49% of them (77 requests) were addressed to the original Tone.ne.jp, 45% (70 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Tone.ne.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 630.8 kB (18%)

Content Size

3.5 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Tone.ne.jp main page is 3.5 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. Only a small number of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 47.1 kB

  • Original 61.5 kB
  • After minification 51.4 kB
  • After compression 14.3 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. This page needs HTML code to be minified as it can gain 10.0 kB, which is 16% 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 47.1 kB or 77% of the original size.

Image Optimization

-14%

Potential reduce by 452.1 kB

  • Original 3.3 MB
  • After minification 2.8 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. Obviously, Tone needs image optimization as it can save up to 452.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-84%

Potential reduce by 131.6 kB

  • Original 156.0 kB
  • After minification 111.5 kB
  • After compression 24.4 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. Tone.ne.jp needs all CSS files to be minified and compressed as it can save up to 131.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (34%)

Requests Now

83

After Optimization

55

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tone.ne.jp accessibility score

90

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-*] attributes do not match their roles

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.

Best Practices

tone.ne.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

tone.ne.jp SEO score

98

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 Tone.ne.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 Tone.ne.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 data is detected on the main page of Tone. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: