i might be wrong here and there but as Aria already said, Chrome does much to improve it's own performance.
One thing is probabilistic preloading of webresources. It tries to guess, where do you wanna go next and preloads the linked resources
https://support.google.com/chrome/answer/2392284?hl=eni assume the same happens when you type an url. it shows you a sugestions list, which is also probabilistic, and starts to load, what it thinks is the best guess. may be even the first few best guesses at once.
am i right folks?