Web Systems are widely used due to their advantages over traditional desktop applications. Modernization of non-Web software towards the Web, however, is a challenging task. Independent Software Vendors struggle to commence Web Migration because of the involved effort and risk. From field research, the problem is further analyzed, requirements representing the effort and risk concerns are derived and used to assess the state of the art. Existing Web Migration research exhibits gaps concerning dedicated approaches for the initial phase and feasibility with limited resources and expertise.This...