Abstract: A method for promoting customer loyalty including recording digital identification data regarding a visitor to sites in a first database including a registration table on a customer loyalty server of unique identifiers of registered visitors and selected data, registering on equipment of the visitor of a digital file containing an identifier assigned to the visitor, recording on a server of an affiliated merchant site a digital file producing a display of an active pictogram including a link to a point management computer program, the file including a unique identifier of the affiliated merchant, allocating reward points by recording in a database a table including an identifier of the visitor and a counter of the allocated points, preparing a response to an activation by a user of the link appearing on the page of the merchant's site, a file including at least the digital identifier of the merchant and an identifier of the visitor, transmitting this file to the customer loyalty server, performing a search fo