There are over 20 million blind adults in the United States, approximately 10% of whom use screen readers to access the internet. Likewise, roughly 8% of men and 0.5% of women have some form of color blindness. Many government contracts are beginning to require websites to be accessible and many companies who are not legally required to build accessible websites are starting to do it regardless. What goes into making a website accessible? How can you determine whether or not your website is? This presentation will discuss both tools and techniques that can help you build accessible websites.