What powers 
otanimuseum.or.jp?
Last seen Oct 2026 · 3 technologies across 3 categories
Analytics
Google Analytics
since Aug 2026
Tag managers
Google Tag Manager
since Oct 2026
Web servers
Apache HTTP Server
since Aug 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 77% phone
- 23% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.52 / 10 · ranked #876,393 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 14 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 公益財団法人 大谷美術館
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on PSPINC-BDC - Pacific Software Publishing, Inc. (216.230.253.76)
- DNS: alpha-mail.jp
- Email: alpha-mail.net
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Cybertrust Japan, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,179,349
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Google Tag Manager Oct 2026
- dropped jQuery Oct 2026
- dropped Raphael Oct 2026