The factors that determine what items appear in a Facebook user’s News Feed.
“If you interacted with an author’s posts before: If you ‘like’ every post by a page that Facebook shows you, it will show you more from that page.
“Other people’s reactions to a specific post: If everyone else on Facebook shown a post ignores it or complains, it’s less likely to show you that post.
“Your interaction with posts of the same type in the past: If you always ‘like’ photos, there’s a better chance you’ll see a photo posted by a page.
In the September change to which Cathcart refers, Facebook gave its users the ability to click a drop-down link and either hide a post or flag it as spam. According to Cathcart, Facebook started penalizing those with a high amount of complaints and rewarding those that had few or none.
Cathcart said the “median impact” of this alteration was “unchanged.”