The present disclosure concerns a method for operating or controlling an operation of a household appliance (100, 300) performed by at least one device (100, 200, 300, 400). The method includes: obtaining external information representative of at least one external given situation outside the household appliance (100, 300); and operating or controlling an operation of the household appliance (100, 300) at least taking into account the external information obtained. In addition, the present disclosure concerns a device and a system for performing such a method.