What powers 
zfin.org?
Last seen Aug 2026 · 31 technologies across 15 categories
Analytics
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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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| medial longitudinal fasciculus | #5 | 3,500 |
| pdgfc | #5 | 2,800 |
| zebrafish | #4 | 1,800 |
| pterygoid process | #3 | 790 |
| brachydanio rerio | #8 | 530 |
| blastula stage | #3 | 530 |
| otic region | #1 | 490 |
| adenohypophysis | #5 | 460 |
| eevs | #10 | 460 |
| pericardial cavity | #8 | 200 |
| hindbrain | #8 | 160 |
| stratified columnar | #9 | 150 |
| typhus disease | #52 | 130 |
| monocarboxylic acid | #30 | 100 |
| anterior commissure | #8 | 87 |
| chata | #15 | 75 |
| pharyngula | #7 | 69 |
| pleurodynia | #17 | 64 |
| merocrine glands | #7 | 61 |
| myb | #13 | 58 |
| brachydanio rerio | #40 | 57 |
| stomodeum | #3 | 57 |
| rbks | #9 | 54 |
| zebrafish anatomy | #1 | 52 |
| branchiostegal rays | #1 | 52 |
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 AI crawlers blocked
Audience
- 88% desktop
- 12% phone
United States
India
Germany
Japan
United Kingdom
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.06 / 10 · ranked #105,676 of all domains
276 referring domains · OpenPageRank
Search traffic
17,400 est. monthly organic visits (US)
4,887 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 6.1 MB · 28 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on UONET (184.171.92.30)
- DNS: uoregon.edu
- Email: Proofpoint Essentials
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Internet2, RSA 4096, expires Mar 2027
- Common Crawl link graph: rank 41,488, 7 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| danio-code.zfin.org | 15 |
| wiki.zfin.org | 12 |
| watson.zfin.org | 10 |
| www.zfin.org | 9 |
| zfin.org | 9 |
Full technology history →
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Recent changes
- detected Svelte Jan 2026