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Practical guides on web analytics, marketing metrics, and online privacy — written for beginners.

Cookie consent and privacy shield illustration on laptop
Cookies 7 min read

First-Party vs Third-Party Cookies Explained

When Google announced it would phase out third-party cookies in Chrome, I got calls from three clients the same week asking what it meant for...

Jan van Dijk Jan van Dijk · Mar 31, 2026
Woman interacting with cookie consent accept and reject banner
Compliance 7 min read

Cookie Consent Banners: What You Need to Know

If you’ve browsed the internet in the last few years, you’ve seen them — those pop-ups asking you to “accept cookies” before you can read...

Jan van Dijk Jan van Dijk · Mar 25, 2026
Hand pointing at Google Analytics dashboard on laptop
analytics-basics 7 min read

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 person can generate multiple sessions...

Jan van Dijk Jan van Dijk · Mar 8, 2026
GA4 referral traffic chart on laptop screen
GA4 7 min read

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 Google Analytics report: referral traffic....

Jan van Dijk Jan van Dijk · Feb 24, 2026
Conversion funnel stages illustrated with 3D figures
Conversion Funnel 8 min read

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 of visitors, but nobody buys...

Jan van Dijk Jan van Dijk · Feb 10, 2026

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