What it is and is not
Topical authority is an SEO idea, not a score any search engine publishes. It describes something search engines do reward: a site that answers a subject thoroughly tends to rank for more of the searches around it than a site with one strong page and nothing else. Google has described a system it calls topic authority for news results, but for most sites the idea is a way to plan content rather than a metric to measure.
It is not the same as domain authority, which is about links to the whole site. A site with few links can still rank well on a narrow topic it covers in depth.
Building it with topic clusters
Pick one topic your ideal customers search for. Write a main page that covers it broadly, then supporting pages that each answer one narrower question in depth. Link each supporting page to the main page and to the other supporting pages where it helps the reader. This group of linked pages is often called a topic cluster.
Start with the questions you can answer better than anyone else, using your own data and experience. Finish one cluster before you start the next: twenty linked pages on one topic do more than twenty pages on twenty topics.
How a startup should use it
Choose topics close to the problem your product solves, so the readers who arrive are possible customers. Research the long tail of questions with a keyword tool, keep each page focused on one search intent and update pages when the facts change. Links from respected sites in your field add to the effect, because they confirm that others see you as a source.
Example
A startup that makes an invoicing tool for freelancers publishes one guide to invoicing, then 15 shorter pages: how to write an invoice in the UK, late payment fees, invoice numbering and so on, all linked to each other. Six months later the site ranks on the first page for 40 invoicing searches, against 3 when it had only the main guide.
Questions people ask
- How many articles do I need for topical authority?
- There is no fixed number. Cover the questions people actually ask about the topic, which for a narrow topic can be 10 to 30 pages. Usefulness matters more than count.
- Is topical authority a Google ranking factor?
- Not as a single named factor for most searches. It describes the result of several things Google does use: relevant content, clear internal links and links from other sites.
Related terms
- Internal linkAn internal link is a link from one page of a website to another page of the same website. Internal links help visitors move around and help search engines find pages and understand which ones matter.
- Long-tail keywordA long-tail keyword is a specific, usually longer search query with fewer searches than a broad term, but clearer intent and less competition, such as "app store subtitle character limit".
- Search intentSearch intent is what a person wants when they type a query: to learn something, to find a specific site, to compare options or to do or buy something. Pages rank best when they match it.
- E-E-A-TE-E-A-T stands for experience, expertise, authoritativeness and trustworthiness: the qualities Google's search quality rater guidelines ask raters to look for when judging whether a page and its author deserve to be trusted.
- Programmatic SEOProgrammatic SEO is publishing many search-targeted pages from a template and a dataset, one page per item, such as one page per city, tool, integration or comparison, instead of writing each page by hand.