Responsive search ads (RSAs) are an automated ad format that combines multiple headlines and descriptions to create dynamically optimized ads for each search query. Unlike traditional ads with fixed elements, RSAs allow advertisers to provide up to 15 headlines and 4 descriptions that Google’s algorithms mix and match to find the best-performing combinations. This machine learning approach improves relevance across various searches while simplifying ad testing and potentially improving click-through rates through personalized messaging.
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