The content clustering (or topic cluster) model organizes a site’s content around a central topic rather than around isolated keyword-targeting posts, so both users and search engines see the site as an authority on that subject. It has three components: a pillar page that gives a broad, comprehensive overview of the core topic and acts as the hub; cluster pages that cover specific subtopics in depth; and the internal links that deliberately connect cluster pages to the pillar and to each other, signaling the semantic relationship. The model matters because it builds topical authority through comprehensive coverage, improves the user journey, and aligns with semantic and AI-driven search that understands concepts and entities rather than just keywords.
Full guide → Content Clustering: A Pillar Guide to Building Topical Authority
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