Keyword Cluster
A group of semantically related search phrases that rank on a single page.
In brief
A keyword cluster is a set of keywords united by a common topic and intent. With proper optimisation, a single page can rank for all queries in the cluster, improving SEO efficiency and preventing cannibalisation.
What is a keyword cluster
A cluster consists of a main (head) query, usually the highest volume, and a ‘tail‘ of related phrases, synonyms, and associated questions. By optimising a page for the head term, you automatically boost rankings for the entire cluster.
Example of a cluster
- Head query: buy iphone 15
- iphone 15 price in moscow
- iphone 15 cost
- order iphone 15 with delivery
- iphone 15 specs
Why keyword clusters are important
- Save resources – one page instead of 5–10
- Higher relevance – full topic coverage
- No cannibalisation – different clusters go to different URLs
- Better user experience – visitors find everything in one place
Clustering is a mandatory step after collecting a semantic core. Without it, you risk creating dozens of thin pages that compete against each other.
FAQ
Common questions
Typically 5–20 queries per page. A very small cluster (2–3) is inefficient; a very large one (50+) is hard to cover fully with content.
No, that would cause cannibalisation. Each query should be assigned to exactly one target page.
Check content quality: have you answered all sub‑questions of the cluster? Also review internal linking and backlink profile.
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