We optimise and host websites for our clients, use an https/spdy CDN exclusively, most sites we work on are dogs when it comes to performance, and aim for half

We optimise and host websites for our clients, use an https/spdy CDN exclusively, most sites we work on are dogs when it comes to performance, and aim for half second page load times on average. Anything over 1 second is unacceptable. I read this article before, I think it was posted to HN previously, and wasn't impressed at the time. Still not impressed now.... Long story short: Not using a CDN is stupid. Learn to CDN.