Nowadays building a web application is still a complex process that requires a big effort to get several tasks done. This article presents a domain specific language aimed to simplify web application development by using it within a MDSD generation process, based on the construction and transformation of high level models from a domain structure viewpoint. this leads software development to focus on understanding the problem and doing a better business analysis, leaving the construction of the solution to a code generation process, thus reducing time and cost.