Cloudflare is a US website infrastructure, security and cloud services provider that has headquarters in San Francisco. It is one of the world’s largest networks. Founded in 2009, the company aims to increase the security and performance of client websites through content delivery network and DDoS mitigation services, also acting as a reverse proxy. Cloudflare serves 25 million HTTP requests per second on average and has data centres in more than 200 cities worldwide. It also owns a number of related subsidiary companies, including S2 Systems Corporation, Neumob, Eager, Linc Global and Jaal. Cloudflare stock is listed on the New York Stock Exchange and is a component of the Russell 1000 index. Start spread betting or trading CFDs on our Cloudflare share price.