What powers int21h.jp?
Last seen Oct 2023 · 3 technologies across 3 categories
Hosting
Sakura Internet
since Aug 2022
Security
HSTS
since Nov 2022
Web servers
Apache HTTP Server
since Apr 2018
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.18 / 10 · ranked #1,302,577 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| yamagata.int21h.jp | 3 |
| www.int21h.jp | 1 |