GLOSSARY Cost Per Engagement (CPE) A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Cost model based on user interactions with the ad, not just clicks. Back to index Related concepts Cache BustingCall to Action (CTA)Campaign ManagementClean RoomClean Room AnalyticsClick FraudClick-through ConversionClick-through Rate (CTR)