A method of providing media content from a server to a client device, by providing a URL which allows access to media content by client the device, receiving a request from the client device for the media content corresponding to the single URL; determining an operating system of the client device requesting the media content; selecting a delivery protocol to stream to the client device based on the determined operating system; and providing said client device a streaming media file based on the selected delivery protocol, wherein the determination of the operating system of the client device includes parsing a user-agent string of the client device making the request.