Tools & Wizards About Us
tokyo-dancelife.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

tokyo-dancelife.com

東京ダンスライフ【TOKYO DANCE LIFE】イベント、コンテスト、バトル、ダンサー、貸しスタジオ、ダンス総合情報サイト

Page Load Speed

16.8 sec in total

First Response

41 ms

Resources Loaded

15.7 sec

Page Rendered

1.1 sec

tokyo-dancelife.com screenshot

About Website

Welcome to tokyo-dancelife.com homepage info - get ready to check TOKYO DANCE LIFE best content for Japan right away, or after learning these important things about tokyo-dancelife.com

東京ダンスライフは、コンテスト・SHOW・バトルなどのイベント情報、ダンサーやチーム紹介、レンタル貸しスタジオ、クラブ、ライフハウス、イベントスペースの検索、衣食住遊すべてにダンスを絡めた独自の視点で新しいコンテンツを発信する新感覚の総合サイトです。

Visit tokyo-dancelife.com

Key Findings

We analyzed Tokyo-dancelife.com page load time and found that the first response time was 41 ms and then it took 16.8 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

tokyo-dancelife.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.284

42/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

tokyo-dancelife.com

41 ms

www.tokyo-dancelife.com

701 ms

common.css

673 ms

slick-theme.css

712 ms

slick.css

648 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 86% of them (132 requests) were addressed to the original Tokyo-dancelife.com, 8% (12 requests) were made to Fonts.gstatic.com and 2% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Tokyo-dancelife.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.5 kB (2%)

Content Size

4.3 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tokyo-dancelife.com main page is 4.3 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. 70% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 69.6 kB

  • Original 82.4 kB
  • After minification 77.8 kB
  • After compression 12.8 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 69.6 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 8.4 kB

  • Original 4.1 MB
  • After minification 4.1 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. TOKYO DANCE LIFE images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.6 kB

  • Original 88.1 kB
  • After minification 88.1 kB
  • After compression 86.5 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

-14%

Potential reduce by 2.9 kB

  • Original 19.9 kB
  • After minification 19.9 kB
  • After compression 17.0 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. Tokyo-dancelife.com needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (14%)

Requests Now

138

After Optimization

119

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TOKYO DANCE LIFE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tokyo-dancelife.com

tokyo-dancelife.com

41 ms

www.tokyo-dancelife.com

www.tokyo-dancelife.com

701 ms

common.css

common.css

673 ms

slick-theme.css

slick-theme.css

712 ms

slick.css

slick.css

648 ms

style.css

style.css

735 ms

responsive.css

responsive.css

682 ms

pogo-slider.min.css

pogo-slider.min.css

865 ms

css

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37 ms

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55 ms

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61 ms

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1678 ms

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25 ms

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1312 ms

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1343 ms

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1416 ms

slick.min.js

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1529 ms

common.js

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Accessibility Review

tokyo-dancelife.com 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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

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

Best Practices

tokyo-dancelife.com 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

High

Page has valid source maps

SEO Factors

tokyo-dancelife.com SEO score

91

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

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 Tokyo-dancelife.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 Tokyo-dancelife.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

tokyo-dancelife.com

Open Graph description is not detected on the main page of TOKYO DANCE LIFE. 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: