Management of measurement codes, Google Analytics (GA4), Google Tag Manager, cookie bars and GDPR, BigQuery, CRO, and more.
Web analytics specialist with over 15 years of experience. I have helped dozens of clients optimize their data flows and turn them into real business results.
Latest from the blog
- Digital Omnibus in digital analytics
Last week, the Digital Omnibus Regulation proposal was discussed in the media. The adoption of this document will have a significant impact on web analytics. If web data is important to you, you should pay attention to it. Digital Omnibus is being prepared as an EU regulation. This means that it will apply to all member states equally, without them… Read more: Digital Omnibus in digital analytics - Consent for MS ClarityMicrosoft Clarity wants to start passing consent status from November 1, 2025. If you meet the following three conditions, I would not change the settings: Otherwise, you need to set up Clarity measurement. What’s happening Microsoft implements more or less the same logic for Clarity as Google Analytics 4. They do not place cookies without consent, but they still send… Read more: Consent for MS Clarity
- The 5 most common mistakes in cookie bar settingsOne of the most complicated aspects of setting up website analytics is integrating a cookie bar. I’m not referring to legal requirements, but rather technical accuracy. It seems so simple, yet it’s not. Recently, I’ve come across recurring errors in settings. Below, I’ll describe these errors and how to identify them on a website. I will not discuss the legal… Read more: The 5 most common mistakes in cookie bar settings
- Bugs in TrackingCzech 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 promised the participants that I would publish the slides. However, the slides were only a supplement to the presentation. Practical examples can be found in the GTM export.For analysts, JSON with Export from… Read more: Bugs in Tracking
- How to calculate the opt-in rate of cookie barsThe 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 consents. If we want to measure it, we need a more precise definition. Why you need to know the opt-in rate The most important reason is that I need to know how much… Read more: How to calculate the opt-in rate of cookie bars
