Digital Marketing

Articles on Google Ads, strategy, budgets, conversion measurement and making channels work together.

243 posts

Churn Rate: How to Calculate It and Reduce Customer Loss

What is churn rate, how do you calculate it and how do you read it in subscription and e-commerce? Formula, example calculations and ways to reduce customer loss.

ROAS Drop: Why It Happens and How to Diagnose It

A diagnostic framework for a ROAS drop: rule out tracking, attribution, season, creative, bidding and margin in order, with a worked example calculation.

What Are UTM Parameters? How UTM Tracking Shapes Ad Analysis

UTM tags connect ad spend to results. I explain each parameter, how GA4 reports it, how it works with gclid, which naming rules keep data clean and the mistakes I see most.

What Is Share of Search? How to Calculate It With Google Trends

Share of search is your slice of branded searches in a category. Learn how to calculate it in Google Trends, how it predicts market share and how it differs from share of voice.