This book constitutes the proceedings of the 17th International Conference on Web-Based Learning, ICWL 2018, held in Chiang Mai, Thailand, in August 2018. The 11 revised full papers presented together with 4 short papers were carefully reviewed and selected from 37 submissions. The papers are organized in topical sections on learning assessment and behavior; case studies; augmented reality and collaborative learning; game-based learning; and learning content management and experience sharing.