Topic Clusters: How to Build Genuine Topical Authority
Why nine connected articles outrank nine unconnected ones, and how to structure them properly.
Content & On-Page
The structure
A pillar page covers a broad topic comprehensively and links to supporting pages covering subtopics in depth. Each supporting page links back to the pillar. The result is a tightly interlinked set that demonstrates depth on a subject.
Why it works
Search engines evaluate topical authority, not just page-level relevance. A site covering one subject thoroughly signals expertise more convincingly than a site covering fifty subjects superficially.
The internal linking also concentrates authority on the pillar, which is usually your commercial page.
Building one
Choose a topic you genuinely want to own. Map every subtopic a buyer would research. Write the pillar first so supporting pages have something to link to. Publish supporting content steadily rather than all at once. Link bidirectionally and consistently.
Key takeaways
- Topical authority is evaluated at site level, not just page level
- Write the pillar first so supporting content has a link target
- Link bidirectionally between pillar and supporting pages
- Depth on one subject beats shallow coverage of many
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