Counselor : Dr. Dra. Kasiyah, M.Sc. and Harry Budi Santoso, S.Kom., M.Kom., Ph.D. MOOCs are quite well-known internationally. The development of the MOOC even took place rapidly in various countries. However, MOOCs in Indonesia does not seem to be popular or growing. This study aims to evaluate one of MOOC platform, edX, in the scope of Indonesia. Evaluation is based on instructional design and interaction design principles, and usability on edX website. This research refers to instructional design principles, namely Gagne's Nine Levels of Learning and Chickering and Gamson's Seven Principles of Good Practice in Undergraduate Education and interaction design principles, namely Shneiderman's Eight Golden Rules of Interface Design. The method used is a mixed methods approach, which integrates quantitative and qualitative approaches. Data collection was carried out in this study using questionnaires distributed online and usability testing. Data analysis using Theme-Based Content Analysis for qualitative data, as well as calculation of the average and standard deviation for analysis of the E-Learning Usability Scale questionnaire. The results of this study indicate that assess performance (Gagne’s Nine Levels of Learning) and emphasizes time on task (Chickering and Gamson’s Seven Principles of Good Practice in Undergraduate Education) have not been fully implemented by edX. Alternative design recommendations are made to improve the edX website based on principles that have not been met. Participants feel easier and more satisfied with the proposed recommendations compared to the edX existing system. Keywords: instructional design, interaction design, edX, MOOC, usability