You can equate this with someone who walks into a brick-and-mortar store – a salesperson talks to each customer and understands what they are looking for before advising them about products that best meet their requirements. An online store is no different.
Setting up surveys on your site is the best way to engage with your visitors and help them out. For WordPress websites, you can actually laser target your WordPress web visitors with a neat WordPress Survey plugin called SurveyFunnel. See an immediate improvement in conversions. Integrate easily with any major auto-responder service.