Digital Marketing ROI: Metrics, Tools and Mistakes

Shipping code is easy. Proving your marketing stack actually converts is where most teams get stuck.
This piece breaks down the core digital marketing KPIs, conversion rate, CAC, ROAS, CPL, the same way you'd instrument an app: define the metric, track it, act on the delta. It also maps GA4, Search Console, and Tag Manager to specific goals instead of dumping raw analytics on you. No vanity metrics, no fluff.
Full technical breakdown here: Digital Marketing KPIs: How to Measure ROI for Free