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Caching Strategies

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Caching Strategies

Cloudflare Workers allow fine-grained control over caching. You can use the Cache API to store and retrieve responses directly within your Worker, bypassing the origin server. Strategies include:

  • Cache-First: Serve from cache if available, otherwise fetch from origin.
  • Network-First: Always fetch from origin, caching the response for subsequent requests.
  • Stale-While-Revalidate: Serve from cache immediately, then update the cache in the background.

You can also manipulate HTTP cache headers (Cache-Control, Expires) to control how Cloudflare's CDN caches content. Effective caching is critical for improving performance and reducing origin server load.

Visit the following resources to learn more: