Risk Management is one of the most important factors in web design project management. The purpose of risk management is to identify reasons of risk to avoid risky situation and successfully achieve final goal of the project. This paper first describes concept of the web design project management and its processes. Secondly this study presents planning principles for systematic risk management process. Also it suggests a model of risk management. Finally this paper demonstrates utility of the risk management model through case studies based on the suggested risk management model.