Best Website: #2

Codecademy is one of the greatest interface websites because of the simplicity and card based design that it holds. Obviously, the website has a great design because the website helps people learn how to code. Languages like html, CSS, JavaScript and more. The interface allows a coding experience for with an onsite coding and debugging mode. This website utilizes bold colors that allows the multi-level tabs to contrast from the simple but elegant white background. 
Moreover, the vast array of topics creates a never-ending learning experience for the user that is all explained and practiced through their interactive website.