In the last years e-learning becomes a powerful tool to support modern education.
Education should be of high quality and its can be achieved by using effective and efficient e-learning applications. In e-learning systems the usability and evaluation of it
is of a major concern. It is important to choose the correct method of evaluation. But
despite recent advances of electronic technologies in e-learning and the large number
of existing evaluation methods a consolidated evaluation methodology for e-learning
applications is not available yet. The purpose of this article is to review the evaluation
methods of usability and present the results of research by the author in the field of
usability evaluation.