digital-marketing Archives

Campaign Tracking 8 min read

A few years ago, a small e-commerce client asked me: “We’re spending €2,000 a month on ads. Is it working?”…

Jan van Dijk · Apr 4, 2026

A/B Testing 9 min read

A few years ago, one of my clients once changed their CTA button from green to orange — and saw…

Jan van Dijk · Mar 2, 2026

Conversion Funnel 8 min read

When I first started consulting for small e-commerce shops in Amsterdam, I kept hearing the same complaint: “We get plenty…

Jan van Dijk · Feb 10, 2026

analytics-basics 7 min read

If you’ve ever wondered how marketers know exactly which email, social post, or ad brought visitors to their website, the…

Jan van Dijk · Jan 13, 2026