Topical authority
Also called: topic authority, topical relevance, topic clusters
Definition
Topical authority is the idea that a site covering a subject in depth, with expertise others cite, is more likely to rank for queries in that subject than a site that touches it once. Google uses a topic authority system for news.
Topical authority is SEO shorthand for being the site people (and search engines) trust on a subject. A site with 40 well-linked, expert pages on payroll for small businesses is a better bet for a new payroll question than a general blog with one payroll post.
The term is mostly industry language. Google has confirmed one specific version of it, for news.
What Google has confirmed
On May 23, 2023, Google described a topic authority system used for news queries in specialized areas like health, politics or finance. It looks at signals such as:
- How notable a source is for a topic or location: for example, a local paper for local high school sports.
- Influence and original reporting: how often other publishers cite a publication's original work.
- Source reputation: the publication's history of high-quality reporting and recommendations from expert sources.
Google's helpful content guidance points the same way for all sites. Its 2022 checklist asks whether a site has a primary purpose or focus, and warns against producing lots of content on different topics hoping some performs, or entering a niche without real expertise just for traffic.
How to build it
- Pick a lane. Cover one subject thoroughly before expanding.
- Answer the long tail. Many specific questions, answered well, build depth faster than a few broad guides. See long-tail keyword.
- Link pages together. Internal links help readers and crawlers see the structure.
- Earn citations. Original data and first-hand experience get referenced. See backlink and E-E-A-T.
Why it matters
Topical depth compounds. Each new page benefits from the others, and readers who land on one page find the next answer on your site instead of a competitor's. It also helps in AI search, where answers draw on sources that cover the specific sub-questions a query fans out into.
How it plays out on Reddit
Reddit has its own version of topical authority, and it belongs to people, not domains. A user who has answered payroll questions in r/smallbusiness for two years is recognized by regulars; their comments get upvoted and trusted. A brand account that appears only to pitch has none.
For a company, that means picking a few subreddits that match your subject, showing up consistently, and answering questions that have nothing to do with your product as well as ones that do. Over time, the account becomes the one people expect to know. That is the same principle Google describes for news: notability for a topic, earned through useful work others reference.
Common mistakes
- Publishing 200 thin pages. Volume without depth reads as scaled content, which Google's spam policies target.
- Chasing unrelated trends. Google's helpful content guidance flags writing about trends only because they are trending.
- Treating it as a score. No tool can show you Google's view of your topical authority. Third-party "authority" metrics are estimates.
Frequently asked questions
Is topical authority a Google ranking factor?
Google has confirmed a topic authority system for news. For other content, the idea matches Google's guidance on focus and expertise, but there is no single published topical authority signal.
How long does it take to build topical authority?
There is no fixed timeline. It depends on how much useful coverage you publish and how often others cite it.
Can a small site have topical authority?
Yes. A small site focused on one subject can outrank large general sites for specific queries in that subject.