Facebook calls this “personalized ranking.”Įssentially, the Facebook algorithm evaluates every post, ad, Story, and Reel. It determines what people see every time they check Facebook, and in what order that content shows up. The Facebook algorithm is a set of rules that rank content across the platform. Bonus: Download a free social SEO checklist and follow pro tips for Facebook, Instagram, TikTok, YouTube, Twitter, and LinkedIn to get your posts seen by more people.