Eric Meyer says…

If you are in charge of a web site that provides even slightly important information, or important services, it’s time to get static.

…too many sites are already crashing because their CMSes can’t keep up with the traffic surges. And too many sites are using dynamic frameworks that drain mobile batteries and shut out people with older browsers. That’s annoying and counter-productive in the best of times, but right now, it’s unacceptable.