Cloudflare, Inc. is a web infrastructure and website security company that provides content delivery network services, DDoS mitigation, Internet security, and distributed domain name server services. Cloudflare's services sit between a website's visitor and the Cloudflare user's hosting provider, acting as a reverse proxy for websites. Cloudflare provides a scalable, easy-to-use, unified control plane to deliver security, performance, and reliability for on-premises, hybrid, cloud, and SaaS applications.