What powers c21kyoritsu.co.jp?
Last seen Jun 2026 · 14 technologies across 10 categories
Analytics
Google Analytics
since Mar 2022
Caching
RackCache
since Mar 2022
JavaScript frameworks
JavaScript libraries
Select2
since Mar 2022
Maps
Google Maps
since Mar 2022
Operating systems
Ubuntu
since Jan 2025
Programming languages
Ruby
since Mar 2022
UI frameworks
Web frameworks
Ruby on Rails
since Mar 2022
Web servers
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.90 / 10 · ranked #14,674,483 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| CLS | 1.15 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.2 MB · 33 requests
Homepage as crawled by the HTTP Archive, Jul 2026.