What powers 
bird-research.jp?
Last seen Aug 2026 · 29 technologies across 19 categories
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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
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| eastern spot-billed duck | #6 | 6 |
| white-cheeked starling | #7 | 5 |
| brown eared bulbul | #10 | 5 |
| ryukyu scops-owl | #4 | 5 |
| japanese birds | #70 | 5 |
| japanese birds | #70 | 5 |
| japanese bird | #10 | 5 |
| japanese bird | #10 | 5 |
| brown-eared bulbul | #11 | 4 |
| japanese birds of prey | #8 | 4 |
| japanese birds of prey | #8 | 4 |
| japanese doves | #6 | 4 |
| spot-billed duck | #11 | 3 |
| white cheeked starling | #6 | 2 |
| bird in japanese | #65 | 2 |
| bush warbler | #37 | 2 |
| crested ibis | #44 | 2 |
| copper pheasant | #13 | 2 |
| ryukyu robin | #6 | 2 |
| amami woodcock | #6 | 2 |
| mountain hawk eagle | #28 | 2 |
| native japanese birds | #6 | 2 |
| japanese crow | #34 | 2 |
| japanese pigeon | #10 | 2 |
| japan birds | #10 | 2 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 50% phone
- 50% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.29 / 10 · ranked #208,078 of all domains
77 referring domains · OpenPageRank
Search traffic
99 est. monthly organic visits (US)
145 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.3 MB · 20 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 特定非営利活動法人 バードリサーチ (The Japan Bird Research Association on Wikidata)
- Country: Japan
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Sakura Internet (219.94.128.59)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 535,043, 9 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog2.bird-research.jp | 17 |
| www.bird-research.jp | 11 |
| bird-research.jp | 9 |
| birdwatch.bird-research.jp | 9 |
| blog.bird-research.jp | 9 |
| db3.bird-research.jp | 5 |
| tsubameblog.bird-research.jp | 4 |
Full technology history →
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Recent changes
- dropped cdnjs Aug 2026
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- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Mar 2026
- detected Closure Library Jan 2026
- detected Cloudflare Bot Management Jan 2026
- dropped Cloudflare Bot Management Dec 2025
- dropped Google Sites Dec 2025
- dropped FingerprintJS Oct 2025