Access sanda-bunka.jp. www.sanda-bunka.jp

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.583

11/100

15%

TTI (Time to Interactive)

Value19.6 s

2/100

10%

sanda-bunka.jp

899 ms

style.min.css

695 ms

font-awesome.min.css

53 ms

style.css

360 ms

slick.css

364 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 70% of them (56 requests) were addressed to the original Sanda-bunka.jp, 18% (14 requests) were made to Static.xx.fbcdn.net and 3% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Sanda-bunka.jp.

Content Size

6.3 MB

After Optimization

5.8 MB

In fact, the total size of Sanda-bunka.jp main page is 6.3 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. 45% of websites need less resources to load. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 46.0 kB

Original 55.8 kB
After minification 44.3 kB
After compression 9.9 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 11.6 kB, which is 21% 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 46.0 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 220.3 kB

Original 5.9 MB
After minification 5.7 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. Sanda Bunka images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 98.0 kB

Original 146.4 kB
After minification 144.2 kB
After compression 48.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 98.0 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 130.9 kB

Original 155.5 kB
After minification 140.8 kB
After compression 24.5 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. Sanda-bunka.jp needs all CSS files to be minified and compressed as it can save up to 130.9 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sanda Bunka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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.

High

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Browser errors were logged to the console

Search Engine Optimization Advices

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 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 Sanda-bunka.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 Sanda-bunka.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

sanda-bunka.jp

Open Graph description is not detected on the main page of Sanda Bunka. 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

www.sanda-bunka.jp

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

sanda-bunka.jp

style.min.css

font-awesome.min.css

style.css

slick.css

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

sanda-bunka.jp

style.min.css

font-awesome.min.css

style.css

slick.css

slick-theme.css

lity.min.css

common.css

modules.css

top.css

sdk.js

logo.svg

main_image_01.png

main_image_02.png

main_image_03.png

btn_reserve.png

btn_price.png

btn_event.png

btn_sato-net.png

btn_seat.png

btn_faq.png

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sdk.js

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20241006_%E6%BC%94%E5%8A%87WS-3-scaled.jpg

bnr_reserve.png

bnr_shinseisyo.jpg

bnr_online.jpg

bnr_satonet.jpg

bnr_gallely.jpg

bnr_childcare.png

bnr_stella.jpg

bnr_sdgs.jpg

embed

jquery-3.3.1.min.js

jquery.cookie.js

lity.min.js