Target ROAS bidding optimizes campaigns to achieve a specific return on ad spend.

Target CPA bidding aims to generate conversions at a specified acquisition cost.

Smart Bidding is Google’s AI-powered bidding strategy focused on conversions or value.

Manual bidding allows advertisers to set their own bid amounts.

Automated bidding uses machine learning to optimize bids for campaign goals.

Campaign optimization improves performance through targeting, bidding, and creative adjustments.

Frequency measures how often a user sees an ad.