Methods, systems, and computer-readable storage media for receiving, by a service, a request for data, transmitting, by the service, a data request to a data source, determining, by the service, that usable data is stored within a fuzzy cache of the service, and in response: calculating supplemental data based on the usable data, and transmitting an initial response including the supplemental data, the initial response being displayed at a client that had transmitted the request for data, and receiving, by the service and from the data source, requested data in response to the request for data, and transmitting, by the service, an updated response including the requested data.