Topic authority is not a single measurable score but an aggregate of signals: breadth of coverage, depth per page, engagement metrics, external citations, and author expertise.
How to build it
- Cover a topic exhaustively rather than skimming multiple unrelated topics.
- Interlink related pages to demonstrate topical depth.
- Attribute content to named authors with verifiable expertise.
- Earn citations from other reputable sites in the same field.
Example
A niche health-tech blog outranks broad publishers on its core topics because it maintains 200 interlinked posts written by a small team of subject-matter experts, each cited by industry associations.
How SEM Optimiser reports it
The topical map view aggregates rankings by cluster so you can see which topics you dominate and which you are only skimming.
Related terms
- Content Cluster
A content cluster is a group of interlinked pages that cover a broad topic together, with a central pillar page and multiple supporting pages targeting related sub-topics.
- E-E-A-T
E-E-A-T stands for Experience, Expertise, Authoritativeness, and Trustworthiness, the framework Google's Search Quality Rater Guidelines use to assess the credibility of content.
- Entity SEO
Entity SEO is the practice of optimising a brand or website's presence in search engines' entity graphs so it is correctly identified and disambiguated across queries.
- Semantic SEO
Semantic SEO is the practice of optimising content around meaning and topical relationships rather than exact-match keyword repetition.