| Surface | Google search results containing AI Overviews | Multiple answer providers under one test protocol |
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| Input | Tracked search queries, usually with market and device settings | Buyer questions, target entity, competitors, locale, and grounding rules |
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| Typical evidence | SERP capture, overview text, links, domains, and occurrence | Full answer, sources, mentions, prominence, model, timestamp, and eligibility |
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| Primary measures | Overview presence, cited domains, brand inclusion, and query-level change | Discovery visibility, prominence, share of voice, citations, accuracy, and coverage |
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| Cadence | Often recurring because the job is surface monitoring | Point-in-time baseline and controlled reruns after substantive work |
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| Best decision | What changed in Google's AI search surface? | How does brand visibility differ across providers and buyer questions? |
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