Note: Facebook can change their settings at anytime without notifying us and this support article could be out of date.
Facebook allows you to add social plugins to your website. It is best if you know a little bit about HTML before adding these to your site. You might only need to make small changes here and there in the code that Facebook gives you.
NOTE: If the instructions say, "Include the JavaScript SDK on your page once, ideally right after the opening <body> tag.", you will need to: