Google Ads
Responsive search ads (RSA)
Google search ads built from several headlines and descriptions that Google combines automatically for each search.
What it is
The advertiser writes the pieces; Google tests combinations and shows the ones it expects to perform for each query.
Why it matters
For lead generation and e-commerceThey are the standard search ad format, so the quality of the pieces decides the quality of every combination.
In practice
Write distinct headlines (offer, proof, benefit, call to action) and pin a line in place where it must always appear.
A common mistake
Writing near-identical headlines. With little variety, there is little for the system to test.
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