Entity-Based / Semantic SEO 2026

Google parses meaning at query, document and passage level. It extracts entities via NLP, resolves them against the Knowledge Graph (~8 billion entities), maps relationships, and indexes content by concept, not by keyword. TF-IDF / keyword density is obsolete — optimize for embeddings and topical coverage instead.

Entity Map (start here)

Strategic inventory that drives everything else. For the target topic, list every entity the site should cover:

Types: person, concept, organization, product. Breadth of entity coverage + internal linking density + publishing consistency = topical authority.

Salience (0–1, relative)