Do you know what Facebook Edgerank is? Why is it important?
If yes then please explain in details?
Edgerank is a algorithm Facebook uses to prioritize the feed. it is almost similar to google. the algorithm keeps watching you. where you click, which you like or react, on which you comment, which you share and which you post. it then studies the data and filters your feed. you will be shown only the most relevant posts and the posts that you will be interested in.