We are trying to set up tracking between our standard marketing website and our product which lives in a web app. Because these live on two different domains we are trying to figure out how to pass back the UTM parameters from the landing page on our marketing site into the User data when they sign up on our web app.
We were thinking of passing back the device_id from the marketing site (example.com) to the web app (app.example.com). Is it possible to associate UTM parameters to that device_id so that when they fill out the form on the web app we can keep the parameters on the user’s data?
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Passing UTM parameters cross-domain
Best answer by rox.chang
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