Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

mjall.jp

麻雀のすべて | 麻雀を覚えたい人、強くなりたい人のための麻雀サイト

Page Load Speed

6.4 sec in total

First Response

1.3 sec

Resources Loaded

4.8 sec

Page Rendered

301 ms

mjall.jp screenshot

About Website

Welcome to mjall.jp homepage info - get ready to check Mjall best content for Japan right away, or after learning these important things about mjall.jp

「麻雀のすべて」はこれから覚えようという初心者から、より強くなりたい上級者まで、全雀士に贈る麻雀総合サイトです。講師の土田浩翔プロによる動画とテキストで、麻雀についての基礎、用語、ルール、麻雀役、戦略をわかりやすく解説しています。

Visit mjall.jp

Key Findings

We analyzed Mjall.jp page load time and found that the first response time was 1.3 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

mjall.jp performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.672

8/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

mjall.jp

1309 ms

style.css

381 ms

jquery.min.js

50 ms

jquery.smoothScroll.js

424 ms

hover_button.js

363 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 71% of them (37 requests) were addressed to the original Mjall.jp, 6% (3 requests) were made to Platform.twitter.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Mjall.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.7 kB (19%)

Content Size

601.9 kB

After Optimization

487.2 kB

In fact, the total size of Mjall.jp main page is 601.9 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. 35% of websites need less resources to load. Images take 426.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 20.9 kB

  • Original 28.9 kB
  • After minification 27.4 kB
  • After compression 8.0 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 20.9 kB or 72% of the original size.

Image Optimization

-4%

Potential reduce by 17.0 kB

  • Original 426.7 kB
  • After minification 409.7 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. Mjall images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 44.6 kB

  • Original 106.6 kB
  • After minification 104.5 kB
  • After compression 62.0 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 44.6 kB or 42% of the original size.

CSS Optimization

-81%

Potential reduce by 32.2 kB

  • Original 39.7 kB
  • After minification 32.3 kB
  • After compression 7.5 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. Mjall.jp needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (29%)

Requests Now

51

After Optimization

36

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mjall. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mjall.jp accessibility score

90

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

[id] attributes on active, focusable elements are not unique

Best Practices

mjall.jp 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

mjall.jp SEO score

100

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

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 Mjall.jp 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 Mjall.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 Mjall. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: