. ▁ ▁The ▁browser ▁uses ▁a ▁split ▁architecture ▁where ▁some ▁of ▁the ▁processing ▁is ▁performed ▁on ▁Amazon ' s ▁servers ▁to ▁improve ▁webpage ▁loading ▁performance . ▁It ▁is ▁based ▁on ▁the ▁open ▁source ▁Ch rom ium ▁project ▁that ▁uses ▁the ▁B link ▁engine . ▁ ▁Architecture ▁For ▁each ▁webpage , ▁Sil k ▁dec ides ▁which ▁browser ▁sub system s ▁( network ing , ▁HTML ▁or ▁page ▁rendering ) ▁to ▁run ▁locally ▁on ▁the ▁device ▁and ▁which ▁to ▁run ▁rem ot ely ▁on ▁its ▁own ▁Amazon ▁EC 2 ▁servers . ▁ ▁Sil k ▁uses ▁Google ' s ▁SP D Y ▁protocol ▁to ▁speed ▁up ▁loading ▁of ▁web ▁pages . ▁Sil k ▁gives ▁SP D Y ▁performance ▁improvements ▁for ▁non - SP D Y ▁optimized ▁websites ▁if ▁the ▁pages ▁are ▁sent ▁through ▁Amazon ' s ▁servers . ▁Some ▁early ▁review ers ▁found ▁that ▁cloud - based ▁acceleration ▁did ▁not ▁necessarily ▁improve ▁page ▁loading ▁speed , ▁most ▁not ably ▁on ▁faster ▁connections ▁or ▁for ▁simpler ▁web ▁pages . ▁ ▁Some ▁priv acy ▁organizations ▁raised ▁concerns ▁with ▁how ▁Amazon ▁passes ▁Sil k ▁traffic ▁via ▁its ▁servers , ▁effectively ▁operating ▁as ▁an ▁Internet ▁service ▁provider ▁for ▁those ▁using ▁the ▁browser . ▁The ▁Sil k ▁browser ▁includes ▁the ▁option ▁to ▁turn ▁off ▁Amazon ▁server - side ▁processing . ▁On ▁July ▁ 2 6 , ▁ 2 0 1 6 ▁it ▁was ▁reported ▁that ▁Sil k ▁prevents ▁access ▁to ▁Google ▁over ▁HTTP S , ▁but ▁that ▁bug ▁has ▁since ▁been ▁fixed . ▁ ▁Name ▁Amazon ▁says ▁" a ▁thread ▁of