Entity-based SEO is a content optimization method that focuses on concepts, their relationships, and overall context instead of treating keywords as isolated phrases. Search engines recognize entities — unique ideas, people, places, or things — and link them within the Knowledge Graph to interpret meaning and assess topical authority. This reflects a core evolution in how modern search operates. Google is no longer just matching strings of text; it’s mapping how ideas connect and judging whether a piece of content genuinely adds value to a broader subject area. As large language models like ChatGPT and Gemini increasingly influence how information is discovered and presented, strong entity signals play a major role in which sources are cited, referenced, and ranked. This guide explains what entities are in SEO, how they differ from traditional keywords, how to identify the entities that matter, how to organize content around entity relationships, and how to evaluate the impact of this strategy. Table of Contents What are entities in SEO? Why Entity-Based SEO Matters for Content and SEO Marketers How to Find Entities for SEO How to Plan Topic Clusters With SEO Entities How to Measure and Report on Entity-Based SEO Strategy Frequently Asked Questions About Entity-Based SEO What are entities in SEO? Entities are clearly defined concepts, people, places, or things that search engines detect and connect inside the Knowledge Graph. These links help search systems interpret meaning without depending solely on exact-match keyword strings. By using entities, search engines understand how topics relate to one another. When your content highlights and clarifies those relationships, it can gain visibility for a wide range of related queries — not just a single main keyword. An…