Access japanbasketball.jp. 公益財団法人日本バスケットボール協会

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.538

14/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

www.japanbasketball.jp

550 ms

import.css

313 ms

www.japanbasketball.jp.css

1292 ms

slider.css

318 ms

jquery-1.4.3.min.js

479 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 69% of them (79 requests) were addressed to the original Japanbasketball.jp, 25% (29 requests) were made to Cdn.japanbasketball.jp and 2% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Japanbasketball.jp.

Content Size

1.9 MB

After Optimization

1.7 MB

In fact, the total size of Japanbasketball.jp main page is 1.9 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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 95.2 kB

Original 109.1 kB
After minification 87.1 kB
After compression 13.8 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 22.0 kB, which is 20% 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 95.2 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 88.0 kB

Original 1.7 MB
After minification 1.6 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. Japanbasketball images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

Original 21.0 kB
After minification 21.0 kB
After compression 20.9 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

-86%

Potential reduce by 67.1 kB

Original 78.5 kB
After minification 58.8 kB
After compression 11.4 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. Japanbasketball.jp needs all CSS files to be minified and compressed as it can save up to 67.1 kB or 86% of the original size.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Japanbasketball. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

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

High

ARIA IDs are not unique

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document doesn't use 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 Japanbasketball.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 Japanbasketball.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

japanbasketball.jp

Open Graph description is not detected on the main page of Japanbasketball. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

公益財団法人日本バスケットボール協会

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.japanbasketball.jp

import.css

www.japanbasketball.jp.css

slider.css

jquery-1.4.3.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.japanbasketball.jp

import.css

www.japanbasketball.jp.css

slider.css

jquery-1.4.3.min.js

jquery.hoverIntent.js

jquery.dropdown.js

jquery.disablea.js

jquery.page-scroller-306.js

tabmenu.js

jquery.advancedSlider.min.js

style.css

twitter-feed.css

pagenavi-css.css

jquery.js

jquery-migrate.min.js

external-tracking.min.js

brand

brand

base.css

layout.css

reset.css

wp-emoji-release.min.js

analytics.js

title_partner.png

bg_body.jpg

bg_header.gif

header.gif

jba_logo.gif

global-navi.gif

utility-navi.gif

btn_search.gif

3x3web_20160222-650x320.png

juniorallstar2016_top_20160215.jpg

mini2016_top_0224.jpg

bleague_top_151027.jpg

japan.gif

news.gif

others-news.gif

training-news.gif

convention.gif

release.gif

media.gif