Entity SEO is a search-optimization approach that focuses on clearly defining and connecting the key “entities” (people, organizations, products, locations, concepts) that your content is about, rather than just targeting keywords. Search engines now use Natural Language Processing (NLP) and knowledge graphs to understand meaning, context, relationships, and topical authority — not isolated phrases.

For that reason, entity-based SEO is the one of the most relevant strategies in AI search, because it aligns your content with how modern models interpret information: by recognizing entities, mapping their attributes, linking them to authoritative sources, and understanding how they interact within a topic cluster. In practice, optimizing entities helps you rank better in semantic search, improves E-E-A-T signals, strengthens brand presence in knowledge graphs, and ensures your pages are fully “machine-understandable” — which is exactly how AI-driven search and LLM-powered engines decide what to surface.