The objective of this study is to analyze under the focus of an Education Professional, the ergonomics and usability aspects that can contribute for the development of customized distance courses - delivered through the Internet - with a greater usability. Therefore, it has begun from a preliminary research, the results of which pointed out that, generally, the role of a distance course planning is exercised by Professionals of Education and Liberal Arts areas. Even if one considers that its development is accomplished through the participation of the Design and Technology areas, many of the aspects that shall comprise the course grids are previously defined during the planning and storyboard stages. The development of the research occurred through a case study made at one of the companies that deliver customized courses developed by FGV Online. For the data collection, it was used a questionnaire - QUIS (Questionnaire for User Interaction Satisfaction), developed by the University of Maryland specifically for researches whose objectives are to raise subjective aspects of users´ satisfaction related to Human-Computer Interaction - computer interface. Being answered by 207 users, the QUIS evidenced the positive and negative aspects referring to the ergonomics and to the usability of the courses analyzed. In the conclusion of this study, it is proposed the discussion of assumptions to direct an Education Professional´s work in the construction of a distance course delivered by Internet.