This book constitutes the proceedings of the PhD Symposium, Demos and Workshops* from the 25th International Conference on Web Information Systems Engineering, WISE 2024, held in Doha, Qatar during December 2-5, 2024. The 18 full papers, 9 short papers, 9 demos and posters presented here were carefully reviewed and selected from a total of 75 submissions. These papers cover various areas of web security and privacy, web data management, web architectures and technologies, social networks, and queries. * This volume includes the proceedings from the WEB-for-GOOD 2024 workshop, AIWDA 2024 workshop and SWIFT-AG 2024 workshop.