Matomo’s handling of UTM parameters is robust, privacy-friendly, and fully transparent. By consistently tagging external links with utm_source , utm_medium , and utm_campaign (plus optional utm_content and utm_term ), you unlock:
Matomo automatically concatenates utm_source and utm_medium into a single sourceMedium dimension (e.g., google / cpc ). This is visible in the report under “Campaigns.” matomo utm parameter
| Parameter | Use Case | |-----------|----------| | utm_campaign=spring | Standard, widely supported | | pk_campaign=spring | Matomo-native (no pk_source or pk_medium needed — Matomo infers) | matomo utm parameter