What powers npi.or.jp?
Last seen Aug 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Nov 2021
Font scripts
Ionicons
since Nov 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Web servers
Apache HTTP Server
since Nov 2021
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 57% phone
- 43% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.99 / 10 · ranked #576,380 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.0 MB · 5 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Nakasone Yasuhiro Peace Institute
- Founded: 1988
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on INFOSPHERE NTT PC Communications, Inc. (140.227.88.222)
- DNS: customer.ne.jp
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,237,721, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| npi.or.jp | 7 |
| www.npi.or.jp | 7 |