Following redirects with Curl in PHP.

I might want to do some behind-the-scenes redirection-following as part of the SSO work I do.

HTTP 301 Permanent Redirection Techniques

Yet another guide to 301 redirects… with a side note on JavaScript, which I’ll be using (unfortunately!) for a site where a 301 is not possible.

301 Redirects – How to Redirect
Giving search engine spiders direction – 301 redirect