A table is obtained comprising, for each request emanating from the client device, at least one line of correspondence between at least the address (U) of the request, a first filter (f) defining information to be kept for the request without modifying the sense of the request, a location containing a simplified request resulting from the application of the first filter to the request, and a location containing a response. In response to a request emanating from a client device, the corresponding line is selected, at least one condition for the supply of the response from the corresponding location is verified and, in the case of positive verification, the response is supplied to the client device from the location containing said response.