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't always work.
CloudFlare Uses Intelligent Caching to Avoid the Bot Performance Tax
In 2004, Lee Holloway and I started Project Honey Pot. The site, which tracks online fraud and abuse, primarily consists of web pages that report the reputation of IP addresses.
CloudFlare, Now With Faster Stats!
We generate a lot of logs. To give you some sense, across the CloudFlare network every minute we write a half a Gigabyte of just log data. Collecting, reducing, sorting, and displaying that data back to you is one of the biggest challenges of running a service like CloudFlare.