Re: [XHR2] AnonXMLHttpRequest()

On Thu, Feb 4, 2010 at 11:05 PM, Tyler Close <> wrote:
> On Wed, Feb 3, 2010 at 2:34 PM, Maciej Stachowiak <> wrote:
>> I don't think I've ever seen a Web server send "Vary: Cookie". I don't know offhand if they consistently send enough cache control headers to prevent caching across users.
> I've been doing a little poking around. Wikipedia sends "Vary:
> Cookie". Wikipedia additionally uses "Cache-Control: private", as do
> some other sites I checked. Other sites seem to be relying on
> revalidation of cached entries by making them already expired.

FWIW, Django also sends "Vary: Cookie" when using sessions (which
includes "form authentication" AFAICT):

Thomas Broyer

Received on Thursday, 4 February 2010 23:08:08 UTC