Up to a certain point, lot of backend issues can be mitigated by throwing hardware at the problem. At Torbit we've seen a lot of people realize their site were

Up to a certain point, lot of backend issues can be mitigated by throwing hardware at the problem. At Torbit we've seen a lot of people realize their site were slow and their first response was to add more servers and upgrade to beefier boxes. By the time we get to them they've got their backend serving up HTML in 200ms but their site still takes 20 seconds to load. More often than not the front-end is the problem.