What is Topic Cluster Optimization? Topic cluster optimization takes a similar approach to content optimization but expands it to the site level. How Topic Cluster Optimization Offers a Competitive AdvantageMost content marketers optimize a page for a specific topic. As Dmitry Dragilev on our show last yearTopic cluster optimization is a better approach to content optimization — a situation where 1+1 = 3. Using MarketMuse to Optimize a Topic ClusterRemember how I said earlier that topic cluster optimization is easier said than done?