Every people who run online business like to promote their service to those who can be interested in their service. Facebook is one of those good platform where you can promote your website or any kind service without any issue. Their process is also very simple.
You need a business page for that. If you already have one then do necessary settings, but if you don’t have any you also don’t need to worry about it. Opening a facebook page is a five minutes work and running ads on facebook is also like that.
You just need to make a list of things that you like to promote and also what kind of people you like to target for running this ad. Once you are ready for both them you just need to go on the ad manager option and follow their instructions.