The content discusses how to identify, fix, and prevent cannibalization in search engine optimization. Cannibalization refers to when multiple web pages on the same website are competing for the same keyword, causing a drop in rankings. The three types of cannibalization discussed are internal, international, and subdomain conflict. The article provides steps to fix cannibalization issues, such as choosing a primary page, merging similar content, and optimizing internal linking. Lastly, the article suggests using contextual optimization as a strategy to prevent cannibalization in the future.