UTM and UTM convention best practices
Published by funnel
UTMs are brief snippets of tracking code that are appended to the end of URLs. They divulge a range of key data points that, when aggregated, provide endlessly valuable insights about how users interact down the funnel and across your channels.
UTMs assign traffic data across five dimensions, providing the digital marketing equivalent of "who, what, when, where, why" for every click.
Downlaod this guide for everthing you need to know about UTM's.