Hi @Courtney_Grimes  , Freddie Sexton ​ and  Lucho Soto ​, Excellent post - we are working on this now as well and would like to resolve the 'Direct' traffic.  From reading this article https://www.stephanehamel.net/assets/docs/MarketoGACheatSheet_SHamel_150824.pdf passing in the Google Analytics CID and then sending it back - with then sending the Marketo UUID into the Google Analytucs 'uid' field. Then Google Analytics can tie together sessions based on the GA CID field. However when we set the GA CID field - we are only receiving in about 50% of the time in Marketo.  We have tried a jQuery version and a JavaScript version to send the value back, but no luck. Has anyone had success with this method? Best - Jay ... View more