What powers kumagan.jp?
Last seen Jun 2026 · 5 technologies across 4 categories
JavaScript frameworks
Prototype
since Feb 2019
JavaScript libraries
Lightbox
since Feb 2019
script.aculo.us
since Feb 2019
Security
HSTS
since Jun 2025
Web servers
Apache HTTP Server
since Feb 2019
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.67 / 10 · ranked #5,189,783 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.6 MB · 28 requests
Homepage as crawled by the HTTP Archive, Jul 2026.