I've recently built an AMP version of a marketing website (since AdWords supports AMP cache, thought it would be useful for speed). The truth is, while AMP as a

I've recently built an AMP version of a marketing website (since AdWords supports AMP cache, thought it would be useful for speed). The truth is, while AMP as a library does provide solid speed improvements on its own by implementing all the best practices, the real speed improvements is the cache with preloading - as well as the other stuff it does like image optimisation.