The document discusses topic clusters, which are groups of interlinked pages on a website about different areas of the same topic. Topic clusters help search engines understand what topics a website is an authority in, and help the website gain search visibility and customers. The document provides guidance on how to create topic clusters, including doing keyword research, auditing existing content, dividing content into pillar and cluster pages, and ensuring proper internal linking. It stresses the importance of continuously creating new content to answer user questions.
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