If you are looking for some help making your WordPress site ADA Compliant we recommend the following plugins:
UserWay.org
is a great plugin giving your users the ability to control how they interact with your websites if they have visual difficulties. With the help of the Userway plugin, all the user has to do it click on the little man in the upper right of the website and enhancing their viewing experience via the plugin options for.
Auto Image Pro
Is another plugin to help with making your WordPress ADA compliant. Auto Image Pro can go through all your images and add alt tags, titles and captions with their bulk Updater.