Technology history for lmsys.org
Stack size over time
From 17 detected technologies in May 2023 to 24 in Jun 2026.
Currently detected
- cdnjs since May 2023
- Cloudflare since May 2023
- Fastly since May 2023
- GitHub Pages since May 2023
- Google Analytics since May 2023
- Next.js since May 2023
- Node.js since May 2023
- Open Graph since May 2023
- Varnish since May 2023
- Webpack since May 2023
- Google Font API since May 2023
- HSTS since May 2023
- React since May 2023
- Svelte since May 2023
- Tailwind CSS since May 2023
- Prism since Jul 2023
- Cloudflare Bot Management since Sep 2023
- Cloudflare Browser Insights since Nov 2023
- MathJax since Nov 2023
- HTTP/3 since Nov 2023
- Google Workspace since Nov 2025
- Next.js App Router since Apr 2026
- Priority Hints since Apr 2026
- Vercel since Apr 2026
Previously used
- Amazon S3 Mar 2024 to Mar 2024 · 1 mo
- Amazon Web Services Mar 2024 to Mar 2024 · 1 mo
- Nginx May 2023 to Oct 2023 · 5 mo
- Ubuntu May 2023 to Oct 2023 · 5 mo
Timeline
2026 1 added
- added HTTP/3 Jan 2026 · Miscellaneous
2025 1 added
- added Google Workspace Nov 2025 · Webmail
2024 2 added · 5 dropped
- dropped Amazon S3 Jul 2024 · CDN
- dropped Amazon Web Services Jul 2024 · PaaS
- added Amazon S3 Mar 2024 · CDN
- added Amazon Web Services Mar 2024 · PaaS
- dropped HTTP/3 Jan 2024 · Miscellaneous
- dropped Nginx Jan 2024 · Web servers
- dropped Ubuntu Jan 2024 · Operating systems
2023 3 added
- added MathJax Nov 2023 · JavaScript graphics
- added Cloudflare Bot Management Sep 2023 · Security
- added Prism Jul 2023 · Miscellaneous