Cloudflare

Cloudflare, Inc. is an American company that provides a range of internet services, including content delivery network (CDN) services, cybersecurity, DDoS mitigation, wide area network services, reverse proxies, Domain Name Service, ICANN-accredited[3] and domain registration.[4][5][6] Cloudflare's headquarters are in San Francisco, California.[4] According to W3Techs, Cloudflare is used by around 19.3% of all websites on the Internet for its web security services, as of January 2025. https://en.wikipedia.org/wiki/Cloudflare

Cloudflare provides serverless compute services via Cloudflare Workers, a platform for building and deploying JavaScript functions that run on the Cloudflare edge network. https://www.cloudflare.com/learning/serverless/serverless-javascript/

• uses varnish as proxy