To simplify this matter, we have different Landing Environment Classes. This classes go from 1 to 4 and each one has different characteristics that act as a template to start building the environment we are going to measure.
In example, a class 1 environment will contain:
What You Get After The Campaign
What Are Landing Environments?
In essence, the traffic that comes from different streams must go through a measuring playground, where you layout the information you want to expose the users to. From there, the users continue via the different alternatives and we can classify and understand their movements