I had to write a post about this issue as I’ve now seen it across quite a few clients’ Google Analytics accounts, and it’s a surefire way of trashing your Google Analytics data. It’s this: Using Google Analytic’s UTM campaign parameters on internal URLs Here’s an example:- www.domain.com/contact?utm_source=Email-newsletter&utm_medium=email&utm_campaign=Fall+newsletter%20appeal I’m a huge proponent of using UTM […]