Glossary definition
Content Cluster
/ˈkɒn.tɛnt ˈklʌs.tər/ nounA group of interlinked content pieces organised around a central pillar topic and multiple related subtopics. Content clusters signal topical authority to Google and AI systems by demonstrating comprehensive coverage of a subject area. Each cluster has one pillar page (broad, high-level) and multiple cluster pages (specific, long-tail).