OntraPort Integration HandL UTM Grabber / Tracker How to collect and track UTM variables via OntraPort step by step Track UTMs in OntraPort OntraPort features a mechanism that reads UTMs from cookies. Additionally, our plugin, HandL UTM Grabber v3, generates cookies for each UTM parameter. Consequently, no setup is necessary, and our plugin will function right out of the box. The following data will be passed to OntraPort, which includes all the UTM parameters: