Content Cluster
A pillar page covering a broad topic, supported by a group of related articles that each address a specific sub-topic and link back to the pillar. This interlinked structure is one of the most effective ways to build topical authority — and a strong signal to AI systems that a site comprehensively covers a subject.
Why it matters
It's a concrete, repeatable structure for building topical authority — rather than a vague instruction to "publish more content".
Example
A pillar page on "GEO for South African SMEs" surrounded by 8-10 supporting articles on specific sub-topics, all linking back, forms one cluster.
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