This document provides guidance on web accessibility for designers. It notes that accessibility starts with understanding users and leads to happiness, while assumptions often lead to mistakes. Some key points made include that accessibility does not come from just one solution, the client does not always know best, disabilities do not give free passes, accessibility should be integrated rather than alternative, mistakes are easy to fix, forms require careful design, and assistance should be provided gently. It concludes by providing links to the author's Twitter, company website, and blog.