They use Quill.js - rich editing (you can use this in your project easily) Caching/saving work just simple AJAX calls to a localized database or filesystem whi

They use Quill.js - rich editing (you can use this in your project easily) Caching/saving work just simple AJAX calls to a localized database or filesystem which can store the JSON data that Quill.JS creates. Google Analytics is free and offers more customer insight and analysis opportunities and it's as simple as a script tag inclusion in the html. I plan to show how to replicate this website in a matter of minutes on my YouTube channel.