What powers 
kyoto-arc.or.jp?
Last seen Aug 2026 · 1 technologies across 1 categories
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 62% phone
- 38% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #461,728 of all domains
74 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.3 MB · 42 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Kyoto City Archaeological Research Institute
- Founded: 1976
- Sector: research
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on SINET-AS Research Organization of Information and Systems, National Institute of Informatics (202.252.247.20)
- DNS: sinet.ad.jp
- Email: kyoto-arc.or.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 764,455, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted