What powers jiyubijutsu.org?
Last seen Jun 2026 · 11 technologies across 6 categories
CMS
Concrete CMS
since Dec 2020
JavaScript frameworks
JavaScript libraries
Programming languages
UI frameworks
Bootstrap
since Feb 2023
Web servers
Apache HTTP Server
since Dec 2020
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.61 / 10 · ranked #5,589,174 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.9 MB · 36 requests
Homepage as crawled by the HTTP Archive, Jul 2026.