Traffic sources. As you’ve probably noticed throughout this article, different traffic sources work better for different stages in the marketing funnel. Sometimes, however, a traffic source can surprise you, so it is a good idea to track how many people are entering your marketing funnel from each source and stage so that you can give your top sources more budget and attention.
In marketing automation, Ryan Deiss, co-founder of Digital Marketer, often describes the sales funnel as a multi-step, multi-modality process that moves prospective browsers into buyers. It's multi-stepped because lots must occur between the time that a prospect is aware enough to enter your funnel, to the time when they take action and successfully complete a purchase.