The Web Content Accessibility Guidelines or WCAG provides technical specifications to improve the accessibility of web content. This guide will provide your team a deep dive view on how to improve accessibility and apply ADA design principles for websites and web applications on desktop and mobile devices.

1. Perceivable: Users must be able to perceive it in some way, using one or more of their senses.
2. Operable: Users must be able to control UI elements (e.g. buttons must be clickable in some way — mouse, keyboard, voice command, etc.).
3. Understandable: The content must be understandable to its users.
4. Robust: The content must be developed using well-adopted web standards that will work across different browsers, now and in the future