One of the most effective channels for marketers is email because it offers a consistent yet streamlined opportunity for building traffic and engagement. However, as any experienced marketer knows, you must be able to measure your success, because without it, you essentially know nothing.
How do you know which subject lines are most effective? Do you know if a traffic boost is from the last email you sent or a previous one, or is it from something else entirely? Are people even reading the unique content you send out?