Topical Authority
Topical authority is the depth and breadth of a brand's content coverage on a specific subject, as perceived by AI systems. Brands with strong topical authority are more likely to be cited by AI engines because they are recognized as comprehensive, reliable sources on their topics.
Building Topical Authority
Topical authority is built by publishing a comprehensive body of content that covers a subject from multiple angles. This includes pillar pages that provide broad overviews, supporting articles that dive deep into subtopics, glossary entries that define key terms, and data-driven content that provides unique insights. The interconnection of this content through internal linking further signals topical depth to AI systems.
Topical Authority vs. Domain Authority
While traditional SEO often emphasizes domain authority (a site-wide metric based largely on backlinks), AI engines appear to weight topical authority more heavily. A smaller site with deep expertise in a specific topic may earn more AI citations than a larger site with broad but shallow coverage. This means focused content strategies that build genuine expertise can be more effective for GEO than broad content production aimed at accumulating domain authority.