Definition
Topical authority is the degree to which a website comprehensively covers a subject, signaling expertise to search engines. It's built by publishing deep, interlinked content across a topic — a hub-and-spoke cluster — rather than isolated pages, so the site becomes a recognized authority on the theme.
Why it matters
Search engines increasingly reward sites that own a topic, not just a keyword. Topical authority is what lets a page rank for terms it doesn't even explicitly target — and it's exactly what a well-structured glossary builds.
How it works
- 1Pick a core topic your business should be known for.
- 2Build a hub page and a cluster of supporting spoke pages.
- 3Interlink the cluster so relationships are explicit.
- 4Cover the topic comprehensively, including entities and subtopics.
- 5Keep it current and demonstrate real experience and expertise.
Common mistakes
- Publishing shallow pages that each chase a single keyword.
- Never interlinking related content into a coherent cluster.
- Covering a topic once and letting it go stale.
Best practices
- Map the full topic before writing — subtopics, entities, questions.
- Use a hub-and-spoke architecture with strong internal links.
- Demonstrate first-hand experience, not rephrased competitor content.
Frequently asked questions
Backlinks are external votes of trust; topical authority is earned by comprehensive, well-structured coverage on your own site. The two reinforce each other but aren't the same.
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