Most Google pages do load in much less than 500ms - of course, the trick here is what you have in mind by "load". The actual slow renders are all on browser (read, javascript) side: mobile clients, etc.
As far as best practices, I agree we need to do a better job of advertising this material. It is available:
As far as best practices, I agree we need to do a better job of advertising this material. It is available:
https://developers.google.com/speed/docs/best-practices/rule... https://developers.google.com/speed/docs/insights/rules
In fact, this entire site is worth spending some time one: https://developers.google.com/speed/