Cache - Cloudflare Blog (Page 2)

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

Published on February 1st, 2013 10:27PM 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

Always Online v.2

Published on August 5th, 2012 7:33PM by Matthew Prince.

The video on CloudFlare's home page promises that we will keep your web page online "even if your server goes down." It's a feature we dubbed "Always Online" and, when it works, it's magical. The problem is, Always Online doesn&

Introducing: Single File Cache Purge

Published on July 14th, 2012 5:51AM by Matthew Prince.

CloudFlare has supported a way to purge your cache for the last year. Unfortunately, it was all or nothing. While that, for practical purposes, didn't cause a significant performance hit for most websites.

We Saved Users Half a Petabyte Last Month!

Published on September 25th, 2011 12:45AM by Matthew Prince.

I was just looking over our daily stats report and noticed something incredible. In the last 30 days, CloudFlare saved our users more than half a petabyte of data they would have otherwise had to transfer from their servers.

How CloudFlare Rocket Loader Redefines the Modern CDN

Published on June 9th, 2011 10:59PM by Matthew Prince.

At CloudFlare, we built our own CDN from the ground up. We used the latest technologies like solid state drives for screaming I/O and Anycast routing and geo load balancing to make it as fast and efficient as possible.