What powers ok21.or.jp?
Last seen Jun 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Apr 2022
CDN
Google Hosted Libraries
since Apr 2022
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2024
Operating systems
CentOS
since Jan 2019
Windows Server
since Nov 2024
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Audience
- 84% phone
- 16% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.67 / 10 · ranked #2,212,644 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0.35 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.1 MB · 102 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.ok21.or.jp | 7 |
| cybz.ok21.or.jp | 5 |