Google Smart Bidding Update 2026: What Is Changing for Target CPA and Target ROAS

Google is adjusting its automated bidding system. Starting August 17, 2026, ad campaigns with limited budgets will be optimized more consistently toward their specified target CPA or target ROAS. This may have a noticeable impact on costs, conversion volume, and profitability. The Smart Bidding update is particularly relevant for campaigns that are “Limited by budget” […]