Although similar, content clusters and their pillar pages go one step further than cornerstone content. When you do this right, your content clusters will be a strong basis for your content SEO and help your rankings. We’ll show you two examples of websites that use content clusters to structure their content. This is how you form your content clusters and how Google knows what content is related to each other. We hope this blog post has given you some insight into what content clusters or topic clusters are.