GESIS – Leibniz Institute for the Social Sciences, established in 1986 and based in Germany, operates within the education sector, focusing on social science research. The institute provides resources and guidance for researchers, students, and practitioners in various fields, including political science, media and communication research, sociology, and computational social science. GESIS publishes guides that address methodologies for utilizing digital behavioral data, particularly web tracking, as a means to study online behavior and digital media use. The guides outline the methodological advantages of web tracking, discuss ethical and legal challenges, and provide practical implementation steps for data collection and analysis. Key themes in their publications include the collection of user-centered data, longitudinal research, and the implications of algorithmic recommendations on digital engagement. GESIS aims to enhance the understanding of digital interactions and their impact on social science research, contributing to the academic community's knowledge base in these areas.