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Gunnar Griese
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Consent Mode v2 - A Comprehensive Technical Guide

In fall 2023, the EU has deemed Google as a gatekeeper in the digital space under the Digital Markets Act (DMA), placing it under heightened legal scrutiny. In response to this assessment and to me...

GA4 Client-Side Data Redaction - How to remove PII from your data before you collect it

In my recent article, I explored the potential of GA4 as a core component in crafting a lightweight Composable CDP. One of the capabilities for a Composable CDP is its ability to account for Data G...

GA4 - The CDP You Didn't Know You Had

This article is a write-up of my talk at MeasureCamp Czechia in Prague in September 2023 - thanks to everyone who attended the session and provided feedback. I’ll explore how Google Analytics 4 (G...

GA4 Time Travel - Bridging UTC and Local Timezones

Navigating the intricacies of data in GA4’s raw-data has its own hurdles. A good example is the event_timestamp which is logged in microseconds and set in Coordinated Universal Time (UTC). While th...

Debugging Google Analytics Tracking for Mobile Apps - A Guide for Beginners

Are you a digital analyst looking to implement and debug Google Analytics tracking via Firebase for your mobile iOS apps and have no clue where to start? This blog post is for you! I’ll briefly wal...

Unleash the Potential of PostHog Analytics Platform with Google Tag Manager

In today’s data-driven world, understanding user behavior is crucial for any business. Product analytics platforms like PostHog have emerged as essential tools for gaining insights into how users i...

How to replicate the GA4 Path Exploration report with BigQuery SQL?

The New Google Analytics (GA4) comes with a new Exploration feature, which allows GA users to deep-dive into their data — beyond the capabilities of the built-in standard reports. While the standar...

GTM Server-Side Tagging – Better Data & More Control

Over the last many months we have been running a series of beta tests and projects for a group of selected clients to get both practical experience and to help optimize the recently released Google...