YP in Action is a website hosted by ARC International, which tracks and evaluates the use of the Yogyakarta Principles. The website does this in order to make the information available to activists, lawyers, academics, governments, and others to further their work in the area of sexual orientation and gender identity. The YP in Action website provides a freely accessible document named The Activist's Guide, which is an introduction to the Yogyakarta Principles and which can facilitate a deeper understanding of them and foster their use and promotion.This document is available in English, Spanish and French.