Have someone examine the ratio of visitors to your page, versus how many people enter their contact information to get access to content. A high percentage means you are targeting your demographic well, and should continue to offer similar content. A low percentage means you need to invest more in adding value to the free content or service you are offering.
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.