So, you wanna be able to identify traffic from Google My Business when you’re looking at your stats in Google Analytics. But you also happen to be using Yext. And, of course, Yext appends a parameter (y_source) to your URL in order to be able to track the traffic not only from your Google My Business listing but from all other sites in the Yext network, as well.
Google Sheets Formula to Create a Right Outer Join
Step by step instructions for recreating the equivalent of a (SQL) right outer join in Google Sheets.