Facebooks algorithm tries to show you posts and pages that you may like.
You may have seen posts from unknown pages with the headline Suggested for you.
This can also be a viral post in your area/location.
How to Turn Off Suggested for You Posts On Facebook?
Click onShow less(If you want to see less suggested posts like this)
4.
What else you’ve got the option to do?
source: www.techworm.net