Tracking Page Views of Gated Content

Hello,

I am trying to setup a Marketo campaign to track users that have logged into our business dashboard.

The business dashboard has a Marketo munchkin and shows that it is tracking some clicks and users on these pages, but only a small portion. When I look at Google Analytics I see a much larger number of users who have gone and used our business dashboard.

I try to capture these users by using visited web page - then input the webpage that users land on after they have logged into their business account. I need some help understanding why it only captures a small portion of the users going to the page.