Wikipedia and Wikidata are the most beginner-friendly sources of knowledge on the kind of information you should write about as you optimize for entities. We will go over page structure, site structure, important schemas to use and tools that can help you. Logical site structure, page structure and schemaGoogle’s Lizzi Sassman recently shared how they prefer to digest schemas. No one has the full list of entities, but I shared a list of 150+ types of entities in the previous article. Optimizing for entitiesAs we learned in the first article, Entity SEO: The definitive guide, entities are the future of SEO.