Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Liferay is an open-source company that provides free documentation and paid professional service to users of its software.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.