AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
cdnjs is a free distributed JS library delivery service.
Datadog is a SaaS-based monitoring and analytics platform for large-scale applications and infrastructure.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Material Design Lite is a library of components for web developers.
Moment.js is a free and open-source JavaScript library that removes the need to use the native JavaScript Date object directly.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.