focus search box before javascript loads
control fresh_when for non-static asset caching
fragment caching in view
include max-age in the Cache-Control header
use heroku-deflater gem to serve gzipped assets
extend max-age to 1 week
upgrade mtg-db for Theros
expiration key in rails cache instead of maximum(:updated_at)
make sure @current_expiration_key is int
timestamp urza_cards.js
don't cache expiration in class var
use dalli with memcachier
not so secret key base
output cache actions in rails log
basic LogSubscriber