In one embodiment, a device obtains a set of one or more configuration parameters of an online application accessed by a plurality of clients via a network. The device obtains path information regarding paths in the network via which the plurality of clients accesses the online application. The device determines an updated configuration parameter predicted by a prediction model to increase application experience of the online application based on the path information and the set of one or more configuration parameters. The device provides the updated configuration parameter for use by the online application.