When building user interfaces, web developers should not only focus on making UI responsive but also accessible. Fixing accessibility issues is a tedious and expensive process when done after the fact. Including accessibility as part of your usability criteria will not only save time from refactoring code later but will allow that feature to be useful for a broad group of people, including people with disabilities. This talk, while it's not an exhaustive list of all the things a11y, will cover common web accessibility mistakes, best practices, and how accessibility can fit within your coding workflow.