The technology that Googlebot runs on is as old as an iPhone5. And the technology to optimize loading for the user experience has been around since the PlayStation 4.
source:
Bartosz Góralewicz
Well said, Bartosz. So if you want to know more, you should definitely watch the whole presentation from the Berlin edition of the Searchmetrics Summit here. As a bonus, Bartosz was the top-rated speaker at this event!