Not only that but mobile networks often limit the number of open tcp/udp connections to an unbelievably low number. You could easily DoS yourself out of the net

Not only that but mobile networks often limit the number of open tcp/udp connections to an unbelievably low number. You could easily DoS yourself out of the network's tcp stack. Also, preloading and rendering something like ten pages in parallel when I really want only one implies wasted wattage. There goes your battery too.