|Headquarters||San Francisco, California, U.S.|
|Key people||Matthew Prince (CEO)
|Alexa rank||1,202 (September 2014)[update]|
CloudFlare is a US-based company that provides a content delivery network and distributed domain name server system, sitting between the visitor and the CloudFlare user's hosting provider, acting as a reverse proxy for websites. Its network protects, speeds up, and improves availability for a website or mobile application with a change in DNS. CloudFlare is headquartered in San Francisco, California with an additional office in London.
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. It received media attention in June 2011, after providing security to LulzSec's website.
In February 2014, CloudFlare mitigated the largest ever recorded DDoS attack which peaked at 400 Gbit/s.
In June 2014, CloudFlare acquired CryptoSeal founded by Ryan Lackey in a deal it says will extend web user security services. CloudFlare acquired StopTheHacker in February 2014. StopTheHacker offers malware detection, automatic malware removal, and reputation and blacklist monitoring.
CloudFlare claims to protect, speed up, and improve availability for a website or mobile application by using a DNS change. The network optimizes web and mobile pages to improve page load times and performance. CloudFlare also attempts to block threats and limit abusive bots and crawlers. CloudFlare currently runs on an anycast network. CloudFlare aims to protect customers from DDoS 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-premises custody of their private keys.
CloudFlare launched a free service for both its paying and free customers: automatic Secure Socket Layer (SSL) encryption for any site, without the need to pay for or configure an encryption certificate.
Awards and recognition
Awarded Best Enterprise Startup by Techcrunch at the 8th Annual Crunchies Awards in February, 2015 
Named the Most Innovative Network & Internet Technology Company for two years running by the Wall Street Journal 
CloudFlare was recognized by the World Economic Forum as a Technology Pioneer 
Ranked among the world's 10 most innovative companies by Fast Company 
As of March 2014, CloudFlare was ranked in the top 10 of the world's worst hosts and networks based on malicious traffic it hosts by SiteVet Beta.
Two of ISIS' top three online chat forums are currently guarded by CloudFlare. Law Enforcement has not asked them to discontinue the service. .
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