Responsive Search Ads
Also called RSA
By the AdFlint research team · Last reviewed July 2026
Google's current search ad type, built from up to fifteen headlines and four descriptions that the system mixes into combinations per auction.
You supply assets, and Google assembles headline and description combinations tailored to each query, with the option to pin specific assets to fixed positions. It is now the only search ad you can create. Feed it genuinely distinct assets rather than fifteen rewordings of one line. The frequent mistake is pinning everything, which collapses the combination space and defeats the testing the format exists to do.
Responsive Search Ads compared with
The settings this gets confused with, and how to tell them apart.
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