Abstract: Advertisements are refreshed in an interface based on one or more parameters provided over a network. The parameters can be retrieved from a web service and implemented at a client device. Advertisement refreshing is performed independently of web page content loading. The parameters may include a time period and user action count and be configured differently for different markets, geographical areas, other customer groups, sections of an application or different advertisement types. One or more of the parameters may be adjusted at a back-end server and distributed to machines in the different customer groups, allowing an efficient and centralized mechanism for managing and updating advertisement refreshing.