Caching - Cache-Control:
Caching - Cache-Control:
- Modifications of the expiration mechanism
- imposed by either the origin server or the UA.
- max-age = delta-secondsIndicates that the client is willing to accept a response whose age is no greater than the specified time in seconds.
- min-fresh = delta-secondsThe client wants a response that will still be fresh for at least the specified number of seconds.
- max-stale [= delta-seconds] Indicates that the client is willing to accept a response that has exceeded its expiration time.