What powers karatekaikan.jp?
Last seen Jun 2026 · 22 technologies across 11 categories
CDN
Ecommerce
Cart Functionality
since Jan 2021
Shopify
since Jan 2021
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since May 2022
Payment processors
Performance
Priority Hints
since Feb 2023
Photo galleries
PhotoSwipe
since Sep 2022
Security
HSTS
since Sep 2022
Shopify apps
BookThatApp
since Jun 2022
UI frameworks
Bootstrap
since Jun 2022
Audience
- 57% phone
- 43% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.20 / 10 · ranked #456,604 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 2.9 MB · 250 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.