Why it matters
The terminology hasn’t settled — GEO, AEO, LLM SEO, and AI search optimization describe largely the same work. Defining them in one place, and saying plainly where they overlap, is itself useful reference content for a confused market.
In practice
AI-visibility tracker Trakkr's 'AI 500' scores MRO distributor W.W. Grainger at 76.8/100 for brand visibility across LLMs, with per-model coverage of Claude 88%, Gemini 74%, ChatGPT 73%, and Perplexity 61% - a concrete LLM SEO metric for how often AI assistants surface Grainger, the kind of citation share an industrial e-commerce team would work to grow.
Source: trakkr.ai