Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

j25musical.jp

一般社団法人 日本2.5次元ミュージカル協会｜JAPAN 2.5-DIMENSIONAL MUSICAL ASSOCIATION

Page Load Speed

5.3 sec in total

First Response

670 ms

Resources Loaded

4.4 sec

Page Rendered

309 ms

About Website

Visit j25musical.jp now to see the best up-to-date J25 MUSICAL content for United States and also check out these interesting facts you probably never knew about j25musical.jp

2次元の漫画・アニメ・ゲームを原作とする3次元の舞台コンテンツの総称2.5次元ミュージカルを紹介する日本2.5次元ミュージカル協会の公式サイト

Visit j25musical.jp

Key Findings

We analyzed J25musical.jp page load time and found that the first response time was 670 ms and then it took 4.7 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

j25musical.jp performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value1,520 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.603

10/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

j25musical.jp

670 ms

www.j25musical.jp

636 ms

www.j25musical.jp

1472 ms

default.css

858 ms

main.css

438 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 55% of them (35 requests) were addressed to the original J25musical.jp, 6% (4 requests) were made to Platform.twitter.com and 6% (4 requests) were made to Line-website.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain J25musical.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 582.6 kB (28%)

Content Size

2.1 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of J25musical.jp main page is 2.1 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 51.4 kB

  • Original 62.4 kB
  • After minification 50.7 kB
  • After compression 11.0 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. This page needs HTML code to be minified as it can gain 11.7 kB, which is 19% 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 51.4 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 123.0 kB

  • Original 1.4 MB
  • After minification 1.2 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. J25 MUSICAL images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 280.0 kB

  • Original 477.2 kB
  • After minification 459.1 kB
  • After compression 197.2 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 280.0 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 128.3 kB

  • Original 152.9 kB
  • After minification 152.3 kB
  • After compression 24.6 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. J25musical.jp needs all CSS files to be minified and compressed as it can save up to 128.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (49%)

Requests Now

59

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J25 MUSICAL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

j25musical.jp accessibility score

89

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

[lang] attributes do not have a valid value

Best Practices

j25musical.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

j25musical.jp SEO score

79

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

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 J25musical.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 J25musical.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 J25 MUSICAL. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: