A method is disclosed. The method may include establishing a connection with a client device via an application executing on the client device; detecting one or more web pages that the application of the client device has visited during the established connection; determining a target audience for the connection based on the detected one or more web pages; responsive to determining the target audience, identifying a set of content items from memory based on each content item of the set having a stored association with an identifier of the target audience in the memory; selecting a first content item from the set of content items; and transmitting the first content item to the client device over the connection for display on a web page.