Build Clusters Build a topical authority cluster from a seed keyword using pillar-spoke structure, coverage scoring, and interlinking plans. What is a Topic Cluster? A topic cluster is a group of interlinked pages that collectively cover a subject area. Google evaluates topical authority at the cluster level — ranking a single page is harder if the site has no supporting content around the topic. Structure: - Pillar page — comprehensive overview of the broad topic (targets head term) - Spoke pages — focused articles covering subtopics (target body/long-tail terms) - Internal links — every spo…