Via Mari Smith
4 BIG Reasons You Should Be Posting to Your Facebook Page MORE Than 1x Per Day
This is an important read by PostRocket! Many page owners don't realize that not all of their fans see their page posts. It's important to mix up the post times and experiment with outside business hours, post frequency and type.
What have you found is the sweet spot for posting frequency on your page? — with Fan behavior - to to page.