Registers a singular ID which is used to generate statistical info on how the visitor utilizes the web site.???????? ???????????? ??? ???????? ??? ????????????? ????????????.???? ?????? ??? ????????? ? ??? ????????? ??? ?????????? ??? ??? ????????.??????????? ??? ?????????? ??? ??? ??????? ????? ?? ?????????? ?????????. ??? ??? ?? ???????? ???????