Say your switching domains and you want to automatically forward users that go to your old domain, to get forwarded them to your new one. This can be accomplished with either Javascript or PHP.

This is an explanation of how you can track single outgoing links with some jQuery and Google Analytics. Why would you do this? Say your selling an iPhone app, and you have a few ads/links on your own site linking to that iPhone app in iTunes, and you want to know how many people are [...]