ABSTRACT Nowadays, web based products or services are becoming important part in supporting a successful business especially Information Technology related business. But among those millions of web based applications, there are still many web based applications which cannot use easily, not interesting for the user or not function properly as they have to. These problems prevent users to continue using the applications while those applications are important applications for them and for the business. This thesis is intended to analyze user experience in a web based application throughout a case study. The case study is e-Proman application, a web based project management application, which is used in Research & Development Center (RDC) unit of PT TELKOM. Focus of the evaluation is on usability aspect of users which are designated as Project Manager (PM) and Project Owner (PO). This thesis is using survey and usability test methodology to collect data. The study found eleven usability problems from e-Proman application. It shows that user experience of e-Proman application still needs improvements. Results from the study are improvement recommendations for e-Proman application based on user experience analysis. The recommendations are to improve the quality of e-Proman’s user experience. Keywords: user experience, usability