ADA compatibility guidelines established by the WCAG:
Easy to view for everyone
Your website must be perceivable to those with visual impairments can read your content with assistive technologies.
Screen Reader Accessible
Your website must be operable so your site is easy to navigate even for those with disabilities who may use tools like keyboard accessibility.
Readability for Everyone
Your website must be understandable and your website content must be easy to read and comprehend.
Device Compatibility
Your website content must be compatible with various devices, platforms and tools like assistive technologies.