An algorithm is a formula that solves a problem in a number of steps. If you, as a content marketer or other type of marketer, want to beat Facebook's algorithm, you first have to understand why content is placed in your timeline. In
March 2019, Facebook started being more transparent about what you see in your timeline, and above all why you see it. Facebook's algorithm was changed to make your friends’ content more visible.
"The new Facebook algorithm is a process that ranks all available posts that can be displayed on a user’s news feed based on how likely that user will have a positive reaction to it."