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SEOUpdated Nov 6, 2026

What is Topical Authority?

Definition

Topical authority is a measure of a website's depth and coverage across a specific subject domain. Search engines prioritize sites that thoroughly cover all subtopics.

Also known as:topic clusterspillar contentsemantic authority

Building impenetrable topical clusters

Instead of isolated blog posts, topical authority relies on pillar pages interconnected with supporting cluster articles. When every adjacent question in your niche is comprehensively addressed, Google rewards the entire domain with top rankings.

This is part of our work on SEO services.

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