How to set up GA4 cross-domain tracking for global and multi-brand sites

Google Analytics 4 (GA4) is built to unify data across domains, devices and platforms — giving marketers a clearer view of customer behavior. For businesses managing multi-brand portfolios or international sites, that clarity depends on advanced cross-domain tracking. Here’s how to set it up, apply best practices and see it in action with a real-world

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Published by martech.org