cdnjs is a free distributed JS library delivery service.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.