Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers.
cdnjs is a free distributed JS library delivery service.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
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.
Modernizr is a JavaScript library that detects the features available in a user's browser.
OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.
Siteimprove is a digital analytics and content QA platform.
Twitter is a 'microblogging' system that allows you to send and receive short posts called tweets.