Fastly is a programmable edge cloud platform that differentiates itself through its instant global content delivery network (CDN) with sub-second purge, allowing developers to update content and configurations across all edge nodes nearly instantly. Unlike traditional CDNs, Fastly's platform offers granular control via VCL (Varnish Configuration Language) and a powerful API, enabling customers to build, secure, and deliver highly customizable digital experiences. Its integrated security suite includes next-gen WAF, DDoS protection, and bot management, all operating at the edge for low-latency protection. Fastly supports modern protocols like QUIC and HTTP/3, and its video streaming solutions provide live and on-demand capabilities with features like media shield and cache reservation.
