Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

WebSocket is a communication protocol that provides full-duplex communication channels over a single, long-lived connection, enabling interactive communication between web browsers and servers.

Nuxt is a Vue framework for developing modern web applications.

Node.js is an open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside a web browser.

Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.

RackCache is a quick drop-in component to enable HTTP caching for Rack-based applications.

Ruby is an open-source object-oriented programming language.