As part of the annual Comparative Survey Design and Implementation (CSDI) workshop, GGP organised a live session on 8 April 2021, entitled “On the Feasibility of Web Interviews for Cross-national Social Science Surveys: Evidence from the Generations and Gender Programme Push-to-web Experiment”. Presentations showcased findings from experiments in Germany, Portugal, and Croatia conducted within the EU-funded GGP-EPI project, and shared lessons for future GGP web surveys in France and Southeast Asia. This knowledge exchange informed best practices for implementing large-scale cross-national web surveys in the social sciences.