Tools & Wizards About Us
mm-dance.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

mm-dance.com

池上 ダンス | M&M British Ballroom Dance | 日本

Page Load Speed

864 ms in total

First Response

91 ms

Resources Loaded

713 ms

Page Rendered

60 ms

mm-dance.com screenshot

About Website

Visit mm-dance.com now to see the best up-to-date Mm Dance content and also check out these interesting facts you probably never knew about mm-dance.com

M&M British Ballroom Dance. Located in Ikegami, Tokyo, is a Ballroom dance Studio offering ballroom dance lessons in both English & Japanese.

Visit mm-dance.com

Key Findings

We analyzed Mm-dance.com page load time and found that the first response time was 91 ms and then it took 773 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

mm-dance.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value23.4 s

1/100

10%

Network Requests Diagram

en.mm-dance.com

91 ms

minified.js

41 ms

focus-within-polyfill.js

75 ms

polyfill.min.js

40 ms

mobile-app-invite-banner.css

87 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Mm-dance.com, 24% (12 requests) were made to Sentry-next.wixpress.com and 22% (11 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (358 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 657.4 kB (59%)

Content Size

1.1 MB

After Optimization

448.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mm-dance.com 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. 45% of websites need less resources to load. HTML takes 724.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 586.1 kB

  • Original 724.2 kB
  • After minification 722.6 kB
  • After compression 138.2 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 586.1 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 29.9 kB
  • After minification 29.9 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. Mm Dance images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 71.3 kB

  • Original 350.1 kB
  • After minification 350.0 kB
  • After compression 278.8 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 71.3 kB or 20% of the original size.

CSS Optimization

-4%

Potential reduce by 56 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.3 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. Mm-dance.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (41%)

Requests Now

29

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mm Dance. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

en.mm-dance.com

en.mm-dance.com

91 ms

minified.js

minified.js

41 ms

focus-within-polyfill.js

focus-within-polyfill.js

75 ms

polyfill.min.js

polyfill.min.js

40 ms

mobile-app-invite-banner.css

mobile-app-invite-banner.css

87 ms

mobile-app-invite-banner.umd.min.js

mobile-app-invite-banner.umd.min.js

147 ms

thunderbolt-commons.01a1d4ab.bundle.min.js

thunderbolt-commons.01a1d4ab.bundle.min.js

51 ms

main.7ae9ac9b.bundle.min.js

main.7ae9ac9b.bundle.min.js

126 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

125 ms

lodash.min.js

lodash.min.js

142 ms

react.production.min.js

react.production.min.js

126 ms

react-dom.production.min.js

react-dom.production.min.js

128 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

139 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

140 ms

flag.jpg

flag.jpg

315 ms

bundle.min.js

bundle.min.js

73 ms

6818e3_9970ab3f59d74d80b7417628993735ea~mv2.jpg

6818e3_9970ab3f59d74d80b7417628993735ea~mv2.jpg

209 ms

6818e3_6056dd2e75974b178a45aaad91405637~mv2.jpg

6818e3_6056dd2e75974b178a45aaad91405637~mv2.jpg

233 ms

6818e3_01cbd9e05a4b4b86abc794d620ab0d29~mv2.jpg

6818e3_01cbd9e05a4b4b86abc794d620ab0d29~mv2.jpg

263 ms

6818e3_90a6c286385149c380eee6fc0ac987dd~mv2.jpg

6818e3_90a6c286385149c380eee6fc0ac987dd~mv2.jpg

339 ms

11062b_616ea7fc12e64f158a528c7e04cb4fc9f000.jpg

11062b_616ea7fc12e64f158a528c7e04cb4fc9f000.jpg

42 ms

11062b_95d34f15761e4114a57b17823228948ef000.jpg

11062b_95d34f15761e4114a57b17823228948ef000.jpg

166 ms

11062b_40811fcc9cac4a5bbfb0d93aaa94d70df000.jpg

11062b_40811fcc9cac4a5bbfb0d93aaa94d70df000.jpg

294 ms

6818e3_8a12e6072faa4f5dbf0c7edc02bc3d4af000.jpg

6818e3_8a12e6072faa4f5dbf0c7edc02bc3d4af000.jpg

358 ms

11062b_24693744a2114dd68e6808179cf6a1ca~mv2.jpg

11062b_24693744a2114dd68e6808179cf6a1ca~mv2.jpg

234 ms

0c2d11194b8042ca9f11f7f681339102.jpg

0c2d11194b8042ca9f11f7f681339102.jpg

239 ms

153 ms

150 ms

151 ms

149 ms

144 ms

147 ms

187 ms

183 ms

183 ms

181 ms

180 ms

180 ms

UC3ZEjagJi85gF9qFaBgIIidMZaDCgb76Cj_Fd30HHc.woff

UC3ZEjagJi85gF9qFaBgIIidMZaDCgb76Cj_Fd30HHc.woff

17 ms

UC3ZEjagJi85gF9qFaBgIMITpqSvb0EhPNqvdm-qG4s.woff

UC3ZEjagJi85gF9qFaBgIMITpqSvb0EhPNqvdm-qG4s.woff

6 ms

09a4b57b-7400-4d30-b4ba-d6e303c57868.woff

09a4b57b-7400-4d30-b4ba-d6e303c57868.woff

15 ms

c5749443-93da-4592-b794-42f28d62ef72.woff

c5749443-93da-4592-b794-42f28d62ef72.woff

16 ms

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

15 ms

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

15 ms

80de9d5d-ab5f-40ce-911b-104e51e93d7c.woff

80de9d5d-ab5f-40ce-911b-104e51e93d7c.woff

16 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

19 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

7 ms

Accessibility Review

mm-dance.com accessibility score

96

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

Links do not have a discernible name

Best Practices

mm-dance.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

mm-dance.com SEO score

85

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mm-dance.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Mm-dance.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

mm-dance.com

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