AI search optimization glossary

GEO, AEO, LLMO – visibility in AI answers has developed a vocabulary of its own in a very short time. Here are the most important terms, explained briefly and with practice in mind.

• GEO: Generative Engine Optimization (GEO) explained simply: definition, how it differs from SEO, the most important tactics and how to measure GEO success.
• AEO: Answer Engine Optimization (AEO) explained: what an answer engine is, how AEO differs from SEO and GEO, and which content gets selected as the answer.
• LLMO: LLMO (Large Language Model Optimization) explained: how language models build knowledge about brands, training knowledge vs. web search, and what you can do.
• llms.txt: llms.txt explained: what the file is, how it is structured, how it differs from robots.txt and a sitemap, and how to create an llms.txt for your website.