Definition
Answer Engine
An answer engine is a system that responds to a query with a single synthesized answer rather than a ranked list of links — ChatGPT, Perplexity, Gemini, and Google AI Overviews are all answer engines. Optimizing to be named inside that answer is the core problem answer engine optimization solves.
Answer engines collapse the funnel: the research, comparison, and shortlist steps that used to span many page visits now happen inside one response. That concentration is exactly why a single mention in the answer is worth more than a page-one ranking in the old model.
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