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UTM Parameters as Hidden Fields - not coming through

Question asked by Kate Hahn on Apr 15, 2016
Latest reply on Jul 13, 2016 by Mark Dudek

I included hidden fields to capture utm parameters for forms within Marketo landing pages that we're driving traffic to through paid search. But, I'm getting quite a few blank sources coming through. Anyone know why that may be?


I'm also receiving quite a few default ("no source", as an example). Thoughts on what % of overall form fills I should expect to see blank and default values?