Pay-per-click (or PPC) marketing can feel like a daunting task. From creating ads to monitoring performance and understanding bidding strategies, there’s a lot to take in. But PPC keyword research is an often under-appreciated, yet necessary, component of search engine marketing. Pay-per-click (or PPC) marketing can feel like a daunting task. From creating ads to monitoring performance and understanding bidding strategies, there’s a lot to take in. But PPC keyword research is an often under-appreciated, yet necessary, component of search engine marketing. With proper keyword research, you can more accurately build ads and landing pages that encourage clicks from users.