What powers psj.or.jp?
Last seen Sep 2026 · 2 technologies across 2 categories
Security
HSTS
since Oct 2023
Web servers
Apache HTTP Server
since Jul 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 57% phone
- 43% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.34 / 10 · ranked #428,602 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.2 MB · 50 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Photographic Society of Japan
- Founded: 1952
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on FINE Canon IT Solutions Inc. (210.134.168.21)
- DNS: canonet.ne.jp
- Email: psj.or.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 1,189,843, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| psj.or.jp | 2 |
| www.psj.or.jp | 2 |