The Google Analytics Setup I Use on Every Site I Build - Philip Walton →

Google Analytics is a powerful yet quite complicated tool. And unfortunately, the truth is most people who use it don't reap its full benefits.

Good advice from Philip Walton on getting the most out of Google Analytics. The information is from 2017 so some might be out-of-date by now, but a good chunk of it should stand the test of time for a few years.