Case sensitivity and canonical urls

Alex Pennace alex at
Tue Jun 28 16:51:39 PDT 2005

On Tue, Jun 28, 2005 at 11:57:53AM -0700, Grant Monroe wrote:
> I'm working on implementing an identity server and I've run into a
> slight problem. Our identity urls are of the form
> I would like the user to be able to type in
> and and have the consumer know that
> these are the same identity url, because we treat them identically on
> the server.
> I noticed someone mentioned something about a <link
> rel="openid.canonical" ... /> in another thread. Could this be a
> useful case for such a link?

Martin hit it right on the head. Aside from the benefits for OpenID
when you use HTTP 301/302 redirects, you also make the site
cache-friendly. The more friendly you are to HTTP caches, the more
your site benefits through reduced load.

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