Tools & Wizards About Us
badminton.or.jp screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

badminton.or.jp

公益財団法人日本バドミントン協会

Page Load Speed

5.3 sec in total

First Response

1 sec

Resources Loaded

3.6 sec

Page Rendered

615 ms

badminton.or.jp screenshot

About Website

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

公益財団法人日本バドミントン協会

Visit badminton.or.jp

Key Findings

We analyzed Badminton.or.jp page load time and found that the first response time was 1 sec and then it took 4.2 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

badminton.or.jp performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value31.7 s

0/100

10%

TBT (Total Blocking Time)

Value9,150 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.554

13/100

15%

TTI (Time to Interactive)

Value43.1 s

0/100

10%

Network Requests Diagram

badminton.or.jp

1036 ms

gtm.js

51 ms

jquery-3.3.1.min.js

630 ms

slick.min.js

504 ms

jquery.nicescroll.min.js

678 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 53% of them (81 requests) were addressed to the original Badminton.or.jp, 22% (34 requests) were made to Static.cdninstagram.com and 7% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Badminton.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 530.9 kB (12%)

Content Size

4.4 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Badminton.or.jp main page is 4.4 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 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 139.8 kB

  • Original 161.4 kB
  • After minification 149.9 kB
  • After compression 21.6 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 139.8 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 227.4 kB

  • Original 3.9 MB
  • After minification 3.7 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. Badminton images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 137.0 kB

  • Original 196.5 kB
  • After minification 194.7 kB
  • After compression 59.5 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 137.0 kB or 70% of the original size.

CSS Optimization

-49%

Potential reduce by 26.7 kB

  • Original 54.7 kB
  • After minification 48.9 kB
  • After compression 28.0 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. Badminton.or.jp needs all CSS files to be minified and compressed as it can save up to 26.7 kB or 49% of the original size.

Requests Breakdown

Number of requests can be reduced by 71 (51%)

Requests Now

138

After Optimization

67

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Badminton. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 51 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

badminton.or.jp

badminton.or.jp

1036 ms

gtm.js

gtm.js

51 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

630 ms

slick.min.js

slick.min.js

504 ms

jquery.nicescroll.min.js

jquery.nicescroll.min.js

678 ms

device.js

device.js

349 ms

common.js

common.js

349 ms

top.js

top.js

1013 ms

format.css

format.css

524 ms

slick.css

slick.css

524 ms

top.js

top.js

628 ms

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js

47 ms

widgets.js

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86 ms

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85 ms

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30 ms

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232 ms

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235 ms

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233 ms

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348 ms

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683 ms

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1600 ms

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122 ms

311 ms

settings

settings

198 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

629 ms

device.js

device.js

350 ms

format.css

format.css

463 ms

header.css

header.css

471 ms

sportsfor.gif

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1496 ms

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750 ms

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1433 ms

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87 ms

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111 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

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21 ms

BadmintonPublic

BadmintonPublic

1501 ms

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1290 ms

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47 ms

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Accessibility Review

badminton.or.jp accessibility score

85

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

badminton.or.jp best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

badminton.or.jp SEO score

83

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

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

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 Badminton.or.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 Badminton.or.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

badminton.or.jp

Open Graph data is detected on the main page of Badminton. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: