Scaling redirects to infinity on Vercel (opens in new tab)

**Published:** March 3, 2026 | **Authors:** Ben Roberts, Tim Caswell, Sudais Moorad --- Redirects are trivial at a small scale, but at millions, latency and cost become real systems problems. Previously on Vercel, redirects were handled by routing rules and middleware. Routing rules support up to 2,000 complex redirects with wildcards, and they function as an ordered list evaluated in sequence. Each rule may involve regex matching, meaning a single request could trigger many expensive eval...