How to Measure Marketing ROI (Even If You’re Not a Marketer)
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
Google Analytics
Jan van Dijk · Apr 4, 2026
What Is GDPR and How It Affects Your Website Analytics
As a Dutch web analyst, GDPR is something I deal with every single day. When the regulation came into effect…
Jan van Dijk · Mar 19, 2026
How to Read a Google Analytics Report (Without Panicking)
I remember the first time a client showed me their GA4 dashboard and asked, “so what does all this mean?”…
Jan van Dijk · Mar 14, 2026
Understanding Sessions vs Users in Google Analytics
When I first started looking at analytics data, the difference between sessions vs users confused me for weeks. A single…
Jan van Dijk · Mar 8, 2026
What Is Referral Traffic and Why It Matters
When I first helped a small business client analyze their traffic sources, they were puzzled by one line in their…
Jan van Dijk · Feb 24, 2026
Google Analytics 4 for Beginners: Your First Dashboard
Google Analytics 4 gives you a modern, event-based view of your website traffic. When I first switched from Universal Analytics…
Jan van Dijk · Feb 17, 2026
What Is a Conversion Funnel? A Beginner’s Guide
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
What Is Bounce Rate? A Simple Guide for Beginners
You check your Google Analytics report and see “Bounce Rate: 65%.” Is that good? Bad? Should you panic? Bounce rate…
Jan van Dijk · Jan 13, 2026
How to Shorten URLs Without Losing Tracking Data
You’ve spent time carefully adding UTM parameters to your campaign URL. Now it looks something like this: https://example.com/landing-page?utm_source=facebook&utm_medium=paid_social&utm_campaign=summer_sale_2024&utm_content=carousel_ad_v2 That’s 130+…
Jan van Dijk · Jan 13, 2026
What Are UTM Parameters? Complete Guide for Beginners
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