The Orders2me system supports use of a Google Analytics Tracking Code to monitor web traffic for your online ordering menu.
All you needed on the Orders2me side is the Tracking Code. View this page here from Google Analytics on how to get this tracking code value.
The tracking ID value is a string like UA-000000-2.
From the top navigation within the back-office;
You'll see the field available to enter your Google Analytics Tracking Code on this page.