Your Worker can now have its own cache in front of it

Cloudflare has introduced Workers Cache, a tiered caching system designed to optimize requests processed by a Worker, which is easily configured through a single line of Wrangler configuration and familiar Cache-Control headers. When a cacheable request is made, Cloudflare's cache is checked first; if a fresh cached response exists, it is returned without executing the Worker, thus saving on CPU time. If the cache misses, the Worker runs, and if the response is cacheable, it is stored for future requests. This setup allows subsequent requests from any location to be served directly from the cache, managed through simple configuration and header settings. Additionally, Workers have the ability to purge their own caches when content changes, ensuring that responses remain up-to-date.

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