The invention concerns a method of notification by an inviter of information on a page of an advertising server to at least one contact of the inviter. A sharing server: receives (E403) a message from a device used by the inviter after loading of the page of the advertiser's server by the device used by the inviter, obtains (E405), from a social network server, information identifying at least one contact of the inviter who is currently connected to the social network server, transfers (E406) each information obtained and identifying at least one contact to the device used by the inviter, receives (E407), from the device used by the inviter, information identifying at least one contact selected by the inviter, transfers (E408) a message destined for the selected contacts, the message comprising at least one address relating to the page loaded by the device used by the inviter.