What powers twelve.ai?
Last seen Jun 2026 · 9 technologies across 9 categories
CDN
Cloudflare
since Sep 2023
Issue trackers
Sentry
since Jul 2025
JavaScript frameworks
Stimulus
since Jul 2025
Performance
Turbo
since Jul 2025
Programming languages
Ruby
since Jul 2025
Security
HSTS
since Jul 2025
UI frameworks
Tailwind CSS
since Jul 2025
Web frameworks
Ruby on Rails
since Jul 2025
Web servers
Nginx
since Apr 2026
Audience
- 99% desktop
- 1% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.71 / 10 · ranked #18,887,677 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 4.4 MB · 24 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| app.twelve.ai | 9 |
| twelve.ai | 1 |
Full technology history →
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Recent changes
- dropped Trix Apr 2026
- dropped Bootstrap Nov 2025
- dropped Google Font API Nov 2025
- dropped HTTP/3 Nov 2025
- dropped jsDelivr Nov 2025