Tools & Wizards About Us

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

tokyo-kitaku-badminton.net

東京都北区バドミントン協会 | キダッチョ君とともに

Page Load Speed

4.1 sec in total

First Response

1.2 sec

Resources Loaded

2.4 sec

Page Rendered

504 ms

About Website

Welcome to tokyo-kitaku-badminton.net homepage info - get ready to check Tokyo Kitaku Badminton best content right away, or after learning these important things about tokyo-kitaku-badminton.net

東京都北区バドミントン協会のホームページ

Visit tokyo-kitaku-badminton.net

Key Findings

We analyzed Tokyo-kitaku-badminton.net page load time and found that the first response time was 1.2 sec and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

tokyo-kitaku-badminton.net performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

tokyo-kitaku-badminton.net

1192 ms

jquery.min.js

495 ms

camera.css

823 ms

jquery.mobile.customized.min.js

680 ms

camera.min.js

852 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Tokyo-kitaku-badminton.net and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Tokyo-kitaku-badminton.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.0 kB (51%)

Content Size

426.8 kB

After Optimization

210.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tokyo-kitaku-badminton.net main page is 426.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 161.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 69.3 kB

  • Original 81.7 kB
  • After minification 81.1 kB
  • After compression 12.3 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 69.3 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 9.7 kB

  • Original 155.8 kB
  • After minification 146.1 kB

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. Tokyo Kitaku Badminton images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 111.4 kB

  • Original 161.1 kB
  • After minification 156.0 kB
  • After compression 49.7 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 111.4 kB or 69% of the original size.

CSS Optimization

-91%

Potential reduce by 25.5 kB

  • Original 28.2 kB
  • After minification 23.6 kB
  • After compression 2.6 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. Tokyo-kitaku-badminton.net needs all CSS files to be minified and compressed as it can save up to 25.5 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (29%)

Requests Now

14

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tokyo Kitaku 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

tokyo-kitaku-badminton.net accessibility score

78

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

tokyo-kitaku-badminton.net 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

SEO Factors

tokyo-kitaku-badminton.net 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

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

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 Tokyo-kitaku-badminton.net 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 Tokyo-kitaku-badminton.net 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 description is not detected on the main page of Tokyo Kitaku Badminton. 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: