DataTables (a jQuery plugin) supports server-side pagination. I saw this post with a code demo. I need to integrate it into the flask program that I am writing. However, could some one please explain to me how this "server side pagination" thing works in plain english or pseudo code? I don't just want a solution which can be used out of the box, instead I'd like to understand how it works under the hood. Maybe a simple code example together is even nicer. It doesn't have to be a robust "framework" or "library", instead all I need is a explanation of the concept and a simple code implementation (preferably in Python, java is fine too, please keep it simple for the demo purpose, better works with Datatables).