: The development of general-purpose AI models requires the creation of massive datasets, often built from publicly available datacollected online. Website owners whose content is subject to such collection have a range of tools at their disposal to help them control the data being collected and the ways in which it may be used. The articles in this dossier first introduce the concepts related to online data scraping, before presenting the methods that website publishers can implement to manage and control the datacollected by data extraction bots.