What powers posa.or.jp?
Last seen Aug 2026 · 9 technologies across 8 categories
Analytics
CMS
WordPress
since Apr 2019
Databases
MySQL
since Apr 2019
Font scripts
JavaScript libraries
Performance
Priority Hints
since Jan 2024
Programming languages
PHP
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% desktop
- 50% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #300,479 of all domains
75 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.0 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Parks & Open Space Association of Japan
- Founded: 1967
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on UCOM ARTERIA Networks Corporation (122.220.254.164)
- DNS: alpha-prm.jp
- Email: alpha-prm.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,888,763
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted