An aspect provides a method, including: sending a request for a web site from a client device to a server; receiving a response to the web site request from the server, wherein the response to the web site request includes at least a portion of a first version of the web site requested and one or more links describing one or more alternate versions of the web site requested, the one or more links comprising conditional data; determining if the conditional data is met; and in response to the conditional data being met, requesting an alternate version of the web site requested. Other aspects are described and claimed.