What powers rfam.org?
Last seen Jul 2026 · 27 technologies across 15 categories
Advertising
EthicalAds
since Jul 2022
Analytics
Google Analytics
since Jul 2022
CDN
Cloudflare
since Jul 2022
jQuery CDN
since Jan 2025
Documentation
Sphinx
since Jul 2022
Font scripts
Font Awesome
since Jan 2025
Hosting
GoDaddy
since Jan 2025
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Clipboard.js
since Jul 2022
Slick
since Jan 2025
Miscellaneous
Operating systems
UNIX
since Jan 2026
PaaS
Amazon Web Services
since Jul 2022
Security
Cloudflare Bot Management
since Sep 2023
Web servers
Webmail
Google Workspace
since Sep 2022
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
- 93% desktop
- 7% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.51 / 10 · ranked #399,729 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| rfam.org | 16 |
| docs.rfam.org | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Tag Manager Jul 2026
- dropped Red Hat Feb 2026