What powers 
ornithology.jp?
Last seen Sep 2026 · 12 technologies across 8 categories
CDN
Font scripts
Hosting
Maps
Miscellaneous
UI frameworks
Web servers
Widgets
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 59% desktop
- 41% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.97 / 10 · ranked #593,959 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 0.2 MB · 15 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- The Ornithological Society of Japan
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (219.94.174.134)
- DNS: Sakura Internet
- Email: ornithology.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 772,444, 14 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| osj2023.ornithology.jp | 6 |
| osj2026.ornithology.jp | 6 |
| ornithology.jp | 3 |
| osj2022.ornithology.jp | 3 |
| osj2024.ornithology.jp | 3 |
| osj2021.ornithology.jp | 2 |
| osj2025.ornithology.jp | 2 |
Full technology history →
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Recent changes
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Facebook Login Nov 2025
- dropped Twitter Nov 2025
- dropped Twitter Ads Nov 2025