How do Facebook posts get into Google search?

How do Facebook posts get into Google search? My customers ask me this question, since the options are different and it is impossible to find a clear answer to this, I decided to share my experience. Since I have, in addition to my personal page, where by the way I do not post very often. I also have a business page and a group, here all the news links from the site get almost immediately.

What needs to be done first on the site, I recommend markup for Facebook, also install Pixel, although the latter is more for advertising, but you should not disdain it. Needless to say that the link to your page or group in FB must be on the resource, for example, in the footer of the site like mine. I forgot to say that the resource should not be very young in time, that is, a little proven.

It is de...