What is the HTTP Pragma header


Pragma is a cache control headers that allows backwards compatibility with HTTP/1.0 caches.

If the Cache-Control header field is present and understood, Pragma is ignored. Ref


The below pragma:

Pragma: no-cache

has same effect than

Cache-Control: no-cache

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HTTP - Cache (Cache-Control Header, Bursting, )

When sending a response, several headers have an influence / control over the cache store, we call them cache control headers The cache control header are: Name Description Cache-Control Define properties...

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