A/B Testing

What is ad rotation? Ad rotation in Google Ads is the setting that controls how ads in an ad group enter auctions relative to one another. Google currently offers two options: Optimize (prefer best performing ads) and Do not optimize: Rotate ads indefinitely. Rotate indefinitely, formerly called Rotate evenly, means

A/B testing compares Variant A with Variant B under a written plan so a team can keep, ship, or reject a change. Split eligible units at random. Measure one primary outcome. Ignore early charts until the stopping rule is met. Use it inside conversion rate optimization when a specific page,