How PPC Auctions Work

Summary

Ad platforms run a real-time auction for each ad slot, ranking bidders by a combination of bid amount and ad quality — understanding this explains why the highest bidder doesn't always win.

• 1Learn the concept of Ad Rank (bid × quality/relevance) at a conceptual level.
• 2Understand why a highly relevant, well-targeted ad can beat a higher bid with poor relevance.
• 3Practice explaining why quality score matters as much as budget in paid search.