How to Transfer UTM Parameters Across Domains & Same-Domain URLs

 Maintaining UTM parameters across multiple pages and domains is crucial for accurate campaign tracking and full-funnel attribution. This article from Mountainise offers a complete guide on how to capture, store, and transfer UTM parameters using Google Tag Manager (GTM). Learn how to:

  • Create GTM variables for each UTM

  • Store UTM parameters in cookies and localStorage

  • Pass UTMs to second-domain URLs automatically

  • Debug and test your tracking setup

With step-by-step instructions, scripts, and practical implementation tips, this guide ensures you won’t lose attribution data between domains. Perfect for marketers managing multi-touch campaigns.

Read the full blog here:
👉 Transfer UTM Parameters Across Domains – Mountainise

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