Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rugby-japan.jp

JRFU|日本ラグビーフットボール協会

Page Load Speed

5.8 sec in total

First Response

521 ms

Resources Loaded

4.7 sec

Page Rendered

532 ms

rugby-japan.jp screenshot

About Website

Visit rugby-japan.jp now to see the best up-to-date Rugby Japan content for Japan and also check out these interesting facts you probably never knew about rugby-japan.jp

ラグビーを世界一楽しもう!ラグビー日本代表のニュース・試合日程・結果およびイベント情報など最新情報が満載。ラグビーの普及・育成に関する情報やルール・観戦ガイド、デジタルアーカイブなど、ラグビーのあらゆる情報をお届けします。(公財)日本ラグビーフットボール協会の公式サイトです。

Visit rugby-japan.jp

Key Findings

We analyzed Rugby-japan.jp page load time and found that the first response time was 521 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

rugby-japan.jp performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

rugby-japan.jp

521 ms

www.rugby-japan.jp

852 ms

main-e9a79e9978beff876156.css

1354 ms

vendor-07c2cec8ad8458b6b912.js

1775 ms

main-5a1a3c381ad9cb0b152d.js

708 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Rugby-japan.jp, 34% (16 requests) were made to S3.ap-northeast-1.amazonaws.com and 28% (13 requests) were made to Rugby-japan.s3.ap-northeast-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source S3.ap-northeast-1.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (43%)

Content Size

2.9 MB

After Optimization

1.6 MB

In fact, the total size of Rugby-japan.jp main page is 2.9 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. 40% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 59.3 kB

  • Original 69.1 kB
  • After minification 58.6 kB
  • After compression 9.8 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. This page needs HTML code to be minified as it can gain 10.5 kB, which is 15% 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 59.3 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 95.1 kB

  • Original 1.3 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. Rugby Japan images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 874.3 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 397.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 874.3 kB or 69% of the original size.

CSS Optimization

-77%

Potential reduce by 192.5 kB

  • Original 248.6 kB
  • After minification 248.4 kB
  • After compression 56.1 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. Rugby-japan.jp needs all CSS files to be minified and compressed as it can save up to 192.5 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (19%)

Requests Now

42

After Optimization

34

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rugby Japan. 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 as a result speed up the page load time.

Accessibility Review

rugby-japan.jp accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rugby-japan.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

rugby-japan.jp SEO score

90

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 Rugby-japan.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 Rugby-japan.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 Rugby Japan. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: