-
Errors in Tracking
Czech national holiday of web analytics. Traditionally held on the first Saturday in September. Yes, MeasureCamp. I gave a lecture on measurement errors and their monitoring. I…
-
How to calculate the opt-in rate of cookie bars
The opt-in rate of the cookie bar shows how many consents I get. A high opt-in rate is good because it means I get a lot of…
-
GTM in violation of the GDPR
A court in Hanover, Germany, has ruled that the use of Google Tag Manager (GTM) violates the GDPR. This decision caught my attention because it does not…
-
Google Consent Mode v2: What It Is and How It Works
Your website has a cookie banner. A visitor clicks “Reject all”, the banner faithfully stores the choice, and you are convinced you’re done. Google Ads still reports…
-
What Is Google Tag Manager and Why You Want It on Your Website
You’ve just been given access to Google Tag Manager, or someone recommended it to you, and you’re not sure what to do with it. Let’s start from…
