What are the differences between cache policies?
An example of an AI chatbot conversation about cache policies and their differences.
What are the differences between cache policies?
Cache policies determine how data is stored and retrieved in a cache. The main types include Cache-Control, Expires, and ETag.
Can you explain Cache-Control in more detail?
Cache-Control is an HTTP header that specifies directives for caching mechanisms in both requests and responses. It can control how long a resource is cached and whether it can be cached by browsers or intermediate caches.
What about the Expires header?
The Expires header provides a date/time after which the response is considered stale. It's a simple way to control caching but is less flexible than Cache-Control.
How does ETag work?
ETag, or Entity Tag, is a unique identifier assigned to a specific version of a resource. It helps in validating cached responses by allowing the server to determine if the resource has changed.
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