There is disclosed a method and system for selecting one or more targeted messages to be included within a web resource. The method comprises: receiving a first request for a targeted message, the request including a target context parameter and a target floor price; executing an MLA configured to generate a first confidence parameter vis-a-vis a first server and a second confidence parameter vis-a-vis a second server; transmitting a second request to a selected one of the first server and the second server based on the first confidence parameter and the second confidence parameter; receiving the targeted message from the selected on of the first server and the second server; transmitting the targeted message to the a web server for inclusion within the web resource.