What powers sdh.or.jp?
Last seen Jun 2026 · 6 technologies across 5 categories
Analytics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Web servers
Nginx
since Apr 2025
Webmail
Apple iCloud Mail
since Jan 2023
Audience
- 62% phone
- 38% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.39 / 10 · ranked #1,020,429 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.8 MB · 50 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.