|Headquarters||San Francisco, California, U.S.|
|Key people||Matthew Prince (CEO)
|Alexa rank||1,202 (September 2014)[update]|
CloudFlare is a company which provides a content delivery network and distributed domain name server, sitting between the visitor and the CloudFlare user's hosting provider, thus acting as a reverse proxy for websites. The service is marketed as providing security, as well as improving website performance and speed.
CloudFlare protects, speeds up, and improves availability for a website or mobile application all with only a simple change in DNS. The network optimizes web and mobile pages to increase page load times and performance. CloudFlare also blocks threats and limits abusive bots and crawlers from wasting bandwidth and server resources. Cloudflare currently runs on an Anycast network.  CloudFlare protects customers from DoS attacks, they also provide other services like a web application firewall (WAF).
CloudFlare releases "Keyless SSL" technology that lets sites use CloudFlare’s SSL service while retaining on-premise custody of their private keys. 
CloudFlare was created in 2009 by Matthew Prince, Lee Holloway, and Michelle Zatlyn, who had previously worked on Project Honey Pot. CloudFlare was launched at the September 2010 TechCrunch Disrupt conference.
In December 2012 it raised $50 million in Series C funding from Union Square Ventures and existing investors. 
In February of 2014 CloudFlare mitigated the largest ever recorded DDoS attack which peaked at 400 Gbit/s. 
In February of 2014 CloudFlare announced that it acquired the anti-malware firm StopTheHacker. While CloudFlare could stop new infections the acquisition ensured that sites that were already infected when they first signed up would be able to remove any potential vulnerabilities and malware. 
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