How AI Search Works
Also: query fanout, fan-out
Query fan-out is the technique where an AI search engine expands a single user question into many parallel sub-queries, retrieves results for each, and synthesizes one answer. Ask for a 5-day trip to Japan and it quietly searches hotels, weather, train passes, and more at once.
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Fan-out means you are rarely competing for one keyword. You are competing to be the best source across a whole neighborhood of related sub-questions the engine generates on its own.
The practical response is topical coverage: answer the adjacent questions around your main topic so you can be retrieved on the sub-queries, not just the headline one.
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How Does AI Search Work?