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ISR Caching Strategies — CDN, Edge, and Multi-Layer Caching

DodaTech Updated 2026-06-29 1 min read

In this tutorial, you will learn about ISR Caching Strategies. We cover key concepts, practical examples, and best practices to help you master this topic.

ISR performance depends on your caching infrastructure. Multi-layer caching improves hit ratios and reduces origin load.

Cache Layers

  1. CDN Edge — closest to users, serves stale pages immediately
  2. Origin Cache (Redis/Varnish) — reduces database load
  3. Database — source of truth, queried on revalidation
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