Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

shibutai.com

トップページ - 一般社団法人 渋谷区体育協会

Page Load Speed

2.9 sec in total

First Response

525 ms

Resources Loaded

2.2 sec

Page Rendered

110 ms

shibutai.com screenshot

About Website

Click here to check amazing Shibutai content. Otherwise, check out these important facts you probably never knew about shibutai.com

一般社団法人 渋谷区体育協会のホームページです。渋谷区内の各種スポーツ競技団体、大会やイベントに関する情報をお届けしています。

Visit shibutai.com

Key Findings

We analyzed Shibutai.com page load time and found that the first response time was 525 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

shibutai.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

shibutai.com

525 ms

www.shibutai.com

688 ms

hpb9tm10_12.css

668 ms

logo3.gif

712 ms

c.gif

351 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Shibutai.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Shibutai.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.6 kB (44%)

Content Size

72.1 kB

After Optimization

40.4 kB

In fact, the total size of Shibutai.com main page is 72.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 38.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 8.6 kB

  • Original 11.2 kB
  • After minification 9.6 kB
  • After compression 2.6 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. This page needs HTML code to be minified as it can gain 1.5 kB, which is 14% 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 8.6 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 2.1 kB

  • Original 38.0 kB
  • After minification 35.9 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. Shibutai images are well optimized though.

CSS Optimization

-91%

Potential reduce by 20.9 kB

  • Original 22.9 kB
  • After minification 16.5 kB
  • After compression 2.0 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. Shibutai.com needs all CSS files to be minified and compressed as it can save up to 20.9 kB or 91% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shibutai. According to our analytics all requests are already optimized.

Accessibility Review

shibutai.com accessibility score

87

Accessibility Issues

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

Buttons do not have an accessible name

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

shibutai.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

shibutai.com SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Shibutai.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Shibutai.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Shibutai. 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: