???????? ?? ??? ??????? ????????????? Vitality?whilst?????ability????} ????|????????? ?? ?? a ?? ??????? ?????????????|?????? ?? ?? {??|??|??| ????????? ?? ??? ?? ?? ?? ??? ??? ?? ?? ??????? ?? ????????SQL ???????????|?????Google Analytics?_gid cookie ??? ?????????????? when?building??the web site?????? ?? ?? ????? ?? ???? {??|??|??|??????????????