How to set up Google Analytics?
In short, Google Analytics will expand your view and sale data you can work with and improve your sales.
Adding your Google Analytics property ID to Sellfy
While logged into your Sellfy account, navigate to Store settings -> Store info you'll find this input field:
Gathering in-depth sales data (Enhanced Ecommerce)
Article on Google support:
While logged into your Google Analytics account, navigate to Admin -> View -> Ecommerce Settings. You'll need to enable both Ecommerce and Enhanced Ecommerce Settings as well.