How can we, as Web developers and designers, ensure that our sites and applications can be used by the largest possible audience? Whether required to by law, encouraged by the prospect of attracting customers, or just because you want to, there are numerous reason to make your Web properties accessible. There are standards for accessibility, but what do those mean, and how can we include them in our work? In this talk, Marcy Sutton introduces the idea of the accessible Web, pointing to the many places in which small changes on our part can make a big difference for many of our potential visitors and customers.