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.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Liferay is an open-source company that provides free documentation and paid professional service to users of its software.
Open Graph is a protocol that is used to integrate any web page into the social graph.