What powers openreaf.jp?
Last seen Jun 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Jul 2022
CDN
Google Hosted Libraries
since Feb 2022
JavaScript libraries
Operating systems
CentOS
since Apr 2020
Programming languages
Video players
YouTube
since Jul 2022
Web server extensions
Web servers
Apache HTTP Server
since Apr 2020
Audience
- 88% phone
- 12% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.00 / 10 · ranked #564,935 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.2 MB · 74 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| openreaf.jp | 11 |
| demo.openreaf.jp | 5 |
| katsushika.openreaf.jp | 3 |
| nakanokumynum.openreaf.jp | 3 |
| shinagawa-myno.openreaf.jp | 3 |
| takamatsu-mnc.openreaf.jp | 3 |
| toshimaku-mnc-uketori.openreaf.jp | 3 |
| kawagoe.openreaf.jp | 1 |