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1 min readSeptember 12, 2026

How We Achieve Sub-Millisecond Redirects with Redis and Next.js

A deep dive into high-throughput edge redirection, in-memory caching strategies, and seamless database synchronizations.

L

Link Engineering

Core Infrastructure

Engineering
Redis
Performance

When someone clicks a short link, every millisecond counts. By combining Upstash Redis with Next.js edge routing, redirects are resolved in single-digit milliseconds without hitting the relational database.

Instant Cache Invalidation

Whenever an administrator or user updates a destination URL in the dashboard or Payload CMS, the Redis cache key is invalidated immediately, guaranteeing zero stale redirects.

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Fast redirects, live Redis caching, and real-time click metrics in one unified platform.

    How We Achieve Sub-Millisecond Redirects with Redis and Next.js | Link Blog | Link