You would likely use a

Daryll1 — Wed, 11 Nov 2009 05:24:06 +0000

You would likely use a server-side programming framework, such as PHP, ASP.Net (don't use ASP, it's so old), etc. Technically speaking, you could use client-side script like javascript to parse the URL from a parameterized GET request and obtain the values that way, although that wouldn't do you that much good, unless you are planning on working on a pure AJAX solution for fun.