Topic Cluster
A group of related pages organized around one core 'pillar' topic and interlinked to signal depth and authority.
Detailed Explanation
A topic cluster is a content structure where a central pillar page covers a broad topic, and multiple supporting pages each cover a specific subtopic in depth, all interlinked. This structure signals topical authority to search engines and gives AI systems a clear, comprehensive body of content to draw from — a glossary is a classic example of a topic cluster.
Why It Matters
Isolated, unlinked pages read as shallow to both algorithms and AI models. A well-linked cluster reads as expertise.
Example
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