This book constitutes the proceedings of the 18th International Conference on Advances in Web-Based Learning, ICWL 2019, held in Magdeburg, Germany, in September 2019. The 15 full, 15 short, and 7 poster papers presented in this volume were carefully reviewed and selected from 68 submissions. The contributions were organized in topical sections named: Semantic Web for E-Learning, Learning Analytics, Computer Supported Collaborative Learning, Assessment and Pedagogical Issues, E-learning Platforms and Tools, Mobile Learning, and Poster Papers.