A personal look into tracking smarter, testing faster, and increasing results with clean data Introduction If you can’t measure it, you can’t improve it. It’s a phrase we hear often in digital marketing—and in my experience, it’s absolutely true. I’ve worked with a wide range of businesses over the past few years, and one of the biggest improvements I’ve consistently delivered has come through better tracking and smarter optimization. With a clean Google Tag Manager (GTM) setup and a properly …