Node.js Tech Stack

Mar 21, 2026 · Frontend Development

Claude.ai Drops SSR, Embraces Vite—Performance Jumps 65%

Anthropic engineers replaced SSR with a Vite‑based static stack for Claude.ai, deploying to edge workers and achieving a 65% reduction in p75 TTFB and a 50% faster prompt display, while illustrating why SPA‑oriented AI chat apps may forgo server‑side rendering.