cdnjs is a free distributed JS library delivery service.
DatoCMS is a cloud-based headless Content as a service (CaaS) platform created to work with static websites, mobile apps and server-side applications of any kind.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.