Many companies want a lot of functionality over the web. Is it possible to achieve the same functionality on the web compared to an ordinary windows application? Our work aims towards evaluating which one of the solutions that is the best. Many customers wants a standalone application rich of functionality and demands to have the same functionality on the web. Is it always possible to achieve the costumer’s requirements on a web based solution or do you have to settle with an implementation of a standalone application? There are some factors that the answer depends on: performance, security, usability and implementation. The application that will be tested is developed in .Net and is a maintenance application for Business Intelligence (BI). We will have a short introduction to the Business Intelligence field to make you understand the purpose of the application.