Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

jleague.jp

【公式】Ｊリーグ公式サイト（J.LEAGUE.jp）

Page Load Speed

3.9 sec in total

First Response

14 ms

Resources Loaded

3.3 sec

Page Rendered

609 ms

About Website

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

Ｊリーグ公式サイト：Ｊリーグ試合速報、ニュースリリース、日程結果、順位など、ＪリーグとＪクラブの情報をご覧いただけます。

Visit jleague.jp

Key Findings

We analyzed Jleague.jp page load time and found that the first response time was 14 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

jleague.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value68.0 s

0/100

25%

SI (Speed Index)

Value30.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,380 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value77.3 s

0/100

10%

Network Requests Diagram

jleague.jp

14 ms

jleague.jp

633 ms

www.jleague.jp

1057 ms

reset.css

14 ms

base_new.css

10 ms

Our browser made a total of 325 requests to load all elements on the main page. We found that 63% of them (206 requests) were addressed to the original Jleague.jp, 18% (59 requests) were made to Static.xx.fbcdn.net and 9% (30 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Jleague.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 640.9 kB (7%)

Content Size

9.0 MB

After Optimization

8.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jleague.jp main page is 9.0 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. Only a small number of websites need less resources to load. Images take 8.2 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 355.0 kB

  • Original 393.0 kB
  • After minification 256.9 kB
  • After compression 38.0 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 136.1 kB, which is 35% 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 355.0 kB or 90% of the original size.

Image Optimization

-3%

Potential reduce by 258.4 kB

  • Original 8.2 MB
  • After minification 8.0 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. J LEAGUE images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 14.1 kB

  • Original 315.5 kB
  • After minification 314.6 kB
  • After compression 301.4 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

-19%

Potential reduce by 13.3 kB

  • Original 70.5 kB
  • After minification 69.9 kB
  • After compression 57.2 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. Jleague.jp needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 103 (32%)

Requests Now

320

After Optimization

217

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 320 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J LEAGUE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 88 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jleague.jp accessibility score

92

Accessibility Issues

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.

Best Practices

jleague.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jleague.jp SEO score

84

Search Engine Optimization Advices

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jleague.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 Jleague.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 J LEAGUE. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: