AEO
SEO vs AEO vs GEO: The Definitions Most Agencies Are Getting Confused
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Updated May 2026 · By Luke Marthinusen, CEO, MO Agency The acronyms around AI search are multiplying faster than anyone can keep up with. SEO, AEO, GEO, AIO, LLMO, CAIO - all referring to overlapping but not identical disciplines, often used interchangeably, and rarely defined with much rigour. This article sets out the most defensible definitions of SEO, AEO, and GEO, acknowledges where the industry is genuinely split, and explains what marketing teams should actually do about