Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Elm-UI is a library for creating user interfaces in Elm programming language. It provides a set of functions and abstractions for building responsive and reusable UI components, such as buttons, forms, and layouts, in a declarative and type-safe way.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Open Graph is a protocol that is used to integrate any web page into the social graph.