Jan 6, 2026
Smart Bidding
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Google's automated bidding strategies using machine learning to optimize for conversions or conversion value. Includes Target CPA, Target ROAS, Maximize Conversions.
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Formula:
Algorithm-determined bids
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Benchmarks
Requires 15-30 conversions/month minimum. The '30 in 30 rule' (30 conversions in 30 days) is the threshold for switching from manual.
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Why It Matters
Smart Bidding needs data to work. Starting with too little leads to erratic performance. Begin with Maximize Conversions to gather data, then switch to Target CPA/ROAS once you have volume. Enhanced CPC was deprecated March 2025.
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