Cache and update

The recipe provides a service worker responding from cache to deliver fast responses and also updating the cache entry from the network.



Use Case

You want to instantly show content and you don’t mind to be temporarily out of sync with the server.


Serve the content from the cache and also perform a network request to get fresh data to update the cache entry ensuring next time the user visits the page they will see up to date content.

See cache, update and refresh for a variation in which the UI is notified when the fresh data is available.


Caching strategies

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