2026-08-01 crawl · observed, not inferred

Technology used by 21st.dev

12,000+ hand-crafted React and Tailwind CSS components, templates, and shadcn themes by real design engineers. Preview live, install with one command — for you and your AI agent.

27
technologies detected
21st
company
1-10
employees
united states
location

Recent changes

2026-06-01 dropped Base UIconfirmed
2026-06-01 dropped Turbopackconfirmed
2026-06-01 dropped LottieFilesconfirmed
2026-03-01 dropped KaTeXconfirmed
2026-01-01 dropped Turbopackconfirmed

Full detected stack

Everything detected on this domain in the latest monthly crawl, grouped by what it does. marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.

UI frameworks
Radix UIJan 2025Tailwind CSSJan 2025shadcn/uiJan 2025
JavaScript frameworks
ReactJan 2025Next.js App RouterJan 2025Next.js16.2.10|16.2.10Jan 2025
CDN
CloudinaryAug 2026jsDelivrAug 2025CloudflareJan 2025
Miscellaneous
WebpackJan 2025PWAJan 2025Open GraphJan 2025
Security
HSTSJan 2025Cloudflare Bot ManagementJan 2025
Analytics
Google AnalyticsJan 2025Facebook Pixel2.9.373Aug 2026
Programming languages
Node.jsJan 2025
Rich text editors
Monaco EditorJun 2026
Authentication
ClerkJan 2025
Payment processors
PayPalAug 2026
PaaS
VercelJan 2025
JavaScript libraries
core-js3.32.2Aug 2025
Performance
Priority HintsFeb 2025
Advertising
Twitter AdsJul 2026
Affiliate programs
ToltAug 2025
Webmail
Google WorkspaceMay 2025
Tag managers
Google Tag ManagerJun 2025
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