Semantic SEO reflects how modern search engines understand content: as a network of entities and relationships, not a bag of keywords. Google's BERT, MUM, and successor models score pages on topical coverage and contextual relevance.
Practical implications
- Cover related sub-topics and synonyms — not just the primary keyword.
- Answer implicit questions the query raises.
- Link to and reference related entities to make relationships explicit.
- Use schema markup to disambiguate entities.
Example
A page targeting "keyword difficulty" that also explains SERP saturation, backlink profiles, and comparison of provider scores outranks a page that repeats the exact phrase thirty times.
How SEM Optimiser reports it
The semantic-coverage report scores each page against the entity and sub-topic set that the ranking competitors cover.
Related terms
- 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.
- Topic Authority
Topic authority is a search engine's assessment of how comprehensively and expertly a site covers a subject area, influencing rankings across the whole topic.
- 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.
- Schema Markup
Schema markup is structured data written in the schema.org vocabulary that helps search engines understand a page and qualifies it for rich results.