What is a UTM parameter and why is it used?
A UTM parameter is a text tag added to a URL so Google Analytics 4 can accurately identify the exact origin of website visits (source, medium, campaign).
Design tagged links compatible with Google Analytics 4 and web analytics tools
A UTM parameter is a text tag added to a URL so Google Analytics 4 can accurately identify the exact origin of website visits (source, medium, campaign).
The essential fields for clean tracking in GA4 are utm_source (referrer), utm_medium (channel), and utm_campaign (campaign name).
Google Analytics is case-sensitive. Labeling with 'Facebook' and 'facebook' creates two separate channels. Forcing lowercase prevents data fragmentation.