if old age domain help much for serp rank. so if one buy a old site and he can rank all keyword based that site. for example. his old site is: www.oldsite.com and he want to rank for xxx ,yyy or zzz keyword. so he create subfold and rank subpage like: www.oldsite.com/xxx/index.html www.oldsite.com/yyy/index.html www.oldsite.com/zzz.html something like this. does it work?