CloudFlare DNS is simple, fast and flexible

Published on by Sam Howson.

Over the past few years, the CloudFlare blog has covered a great range of different topics, drilling down into the technology we use to both protect websites from attack, and optimise them so that they load faster for visitors. One thing we haven't spent enough time talking about

Edge Cache Expire TTL: Easiest way to override any existing headers

Published on by Michelle Zatlyn.

CloudFlare makes caching easy. Our service automatically determines what files to cache based on file extensions. Performance benefits kick in automatically. For customers that want advanced caching, beyond the defaults, we have Cache Everything available as Page Rules. Designate a URL and CloudFlare will cache everything, including HTML, out at

Never Deal With DNS Propagation Again

Published on by John Roberts.

At CloudFlare, we think a lot about the Domain Name Service -- better known as DNS, the Internet's address book. CloudFlare uses DNS to bring performance and security to our customers. But, we don't spend a lot of time talking about our DNS service, behind the