> How? It would load the HTML just as often and not download it a second time as that would invalidate the usage
I'm guessing you didn't read the linked article? It preloads after 65ms on hover, at which point it estimates a 50% chance that the user will click. Hence "loaded twice as much".
> True for users who hover over links they decide not to visit
How? It would load the HTML just as often and not download it a second time as that would invalidate the usage
> this makes for additional load on your server.
True for users who hover over links they decide not to visit
Or am I misunderstanding something here?