Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

bright-tone.com

ホーム | Bright Tone Co. Ltd.

Page Load Speed

3.5 sec in total

First Response

924 ms

Resources Loaded

2.4 sec

Page Rendered

190 ms

bright-tone.com screenshot

About Website

Welcome to bright-tone.com homepage info - get ready to check Bright Tone best content for Japan right away, or after learning these important things about bright-tone.com

株式会社ブライトーンはお手持ちのオーディオをさらに一段高みに引き揚げる「突き抜けたオーディオ機器を提供する」ことを目的として各種音響機器(オーディオ、楽器、AV)の開発・販売を行なっています。

Visit bright-tone.com

Key Findings

We analyzed Bright-tone.com page load time and found that the first response time was 924 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

bright-tone.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

bright-tone.com

924 ms

import.css

291 ms

common.css

321 ms

jquery.js

848 ms

yuga.js

510 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 84% of them (21 requests) were addressed to the original Bright-tone.com, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (924 ms) belongs to the original domain Bright-tone.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.1 kB (31%)

Content Size

226.9 kB

After Optimization

155.8 kB

In fact, the total size of Bright-tone.com main page is 226.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 116.9 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 8.6 kB

  • Original 12.3 kB
  • After minification 10.7 kB
  • After compression 3.7 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 1.6 kB, which is 13% 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 8.6 kB or 70% of the original size.

Image Optimization

-3%

Potential reduce by 3.9 kB

  • Original 116.9 kB
  • After minification 113.0 kB

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. Bright Tone images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 47.3 kB

  • Original 83.2 kB
  • After minification 79.2 kB
  • After compression 35.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 47.3 kB or 57% of the original size.

CSS Optimization

-78%

Potential reduce by 11.2 kB

  • Original 14.4 kB
  • After minification 9.3 kB
  • After compression 3.2 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. Bright-tone.com needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (18%)

Requests Now

22

After Optimization

18

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bright 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bright-tone.com accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

bright-tone.com best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bright-tone.com SEO score

77

Search Engine Optimization Advices

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 Bright-tone.com 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 Bright-tone.com 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 Bright Tone. 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: