KeyVisions (TM) specializes in using the Web, since 1998 we have been distilling KeyVisions (TM) eSite, a unique mash-up tool that can be used to create everything from simple websites to complex multinational portals. This uniqueness is a consequence of the Functional Web paradigm the product is built on which considers sites aggregates of sharable functionalities: it introduces WBDL a language capable of coordinating web technologies in describing entire sites, it is a simple yet expressive adhesive representing what we believe a fundamental missing Web recommendation.