[thelist] Avoiding Downstream Caching from AJAX Request

Mark Groen evolt at markgroen.com
Mon Feb 18 11:50:51 CST 2008


On February 18, 2008 7:52:26 am Chris Marsh wrote:
> ..........
> Am I correct in saying that including the following HTTP request header
> will ensure that downstream caching is *not* performed for this
> resource?
>
> CACHE-CONTROL: no-cache

It is a MUST control except for someone using a very old/odd servers/browsers, 
then the Pragma might be implemented instead:

http://tools.ietf.org/html/rfc2616#section-14.9
--
cheers,

	Mark



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