Background: I wanted a solution for businesses to use because technical debt is a real problem for marketing technology and data analytics. Went on Google for { site:stackoverflow.com +marketo +google analytics } and got nothing. Marketo community as nothing beneficial. Went back on Google for { site:github.com +marketo +google } found Keith Shaw who took MIT codelabs script and engineered it for Google Tag Manager (GTM). I took it and adapted it so you can produce a GUID from Google Analytics cookie for a 1:1 relationship linking the environment for Marketo form fills. This will give you complete information of anonymous advertising data Google Analytics offers for your Marketo form-fill leads.
Use Case:
You need to attribute form-fill search, display, video metrics and dimensions from a user or session level with 1:1 relationship to marketo database user.
Example:
Whitman@mailinator.com came from Google Ads search campaign, on a mobile device, with keyword {A} and that cost per acquisition was {$} from a cost per click of {Y}.
Why:
Enterprise level business and small business benefit greatly from this and its at zero cost to them.
Link:
Google Analytics to Marketo Integration - Growth Services
I reference Keith's GitHub in the complete guide!
Merry Christmas
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