Often this includes code issues and if you're looking for compliance with generally accepted ADA standards for websites, review WCAG. There are parts you can review, but it goes deeper than what you see on the screen.
https://www.w3.org/WAI/intro/wcag
_________________________
AndyZ CRCM
My opinions are not necessarily my employers.
R+R-R=R+R
Rules and Regs minus Relationships equals Resentment and Rebellion. John Maxwell