Technology history for 21st.dev
Stack size over time
From 17 detected technologies in Jan 2025 to 31 in Jun 2026.
Currently detected
- HSTS since Jan 2025
- Open Graph since Jan 2025
- PWA since Jan 2025
- Radix UI since Jan 2025
- React since Jan 2025
- shadcn/ui since Jan 2025
- Vercel since Jan 2025
- Google Analytics since Jan 2025
- Next.js since Jan 2025
- Next.js App Router since Jan 2025
- Node.js since Jan 2025
- Clerk since Jan 2025
- Cloudflare since Jan 2025
- Cloudflare Bot Management since Jan 2025
- Tailwind CSS since Jan 2025
- Webpack since Jan 2025
- Google Font API since Feb 2025
- Priority Hints since Feb 2025
- Sentry since Feb 2025
- Emotion since Feb 2025
- Segment since Feb 2025
- Google Workspace since May 2025
- LottieFiles since May 2025
- Google Tag Manager since Jun 2025
- core-js since Aug 2025
- jsDelivr since Aug 2025
- Tolt since Aug 2025
- Turbopack since Oct 2025
- KaTeX since Feb 2026
- Base UI since May 2026
- Monaco Editor since Jun 2026
Previously used
- Three.js Aug 2025 to Sep 2025 · 1 mo
- HTTP/3 Feb 2025 to Aug 2025 · 6 mo
- Vercel Speed Insights Feb 2025 to Feb 2025 · 1 mo
- Product Hunt Jan 2025 to Jan 2025 · 1 mo
Timeline
2026 2 added · 1 dropped
- added Monaco Editor Jun 2026 · Rich text editors
- dropped Turbopack Feb 2026 · Development
- added core-js Jan 2026 · JavaScript libraries
2025 9 added · 5 dropped · 1 switched
- dropped core-js Nov 2025 · JavaScript libraries
- dropped Three.js Nov 2025 · JavaScript graphics
- dropped HTTP/3 Oct 2025 · Miscellaneous
- added Turbopack Oct 2025 · Development
- added core-js Aug 2025 · JavaScript libraries
- added jsDelivr Aug 2025 · CDN
- added Three.js Aug 2025 · JavaScript graphics
- added Tolt Aug 2025 · Affiliate programs
- dropped LottieFiles Jul 2025 · Miscellaneous
- added Google Tag Manager Jun 2025 · Tag managers
- added Google Workspace May 2025 · Webmail
- switched Product Hunt LottieFiles May 2025 · Miscellaneous
- dropped Vercel Speed Insights Apr 2025 · Analytics
- added Priority Hints Feb 2025 · Performance
- added Vercel Speed Insights Feb 2025 · Analytics