A tool that outlines the web pages elements that are missing ARIA attributes, alt tags or type attributes.
ARIA roles: Improve accessibility by finding out which elements are missing their role type.
Alt tags: If a screen reader or browser cannot process your images properly make sure you have specified alternative text. Find out which images are missing their alt tags.
Type attributes: Specify what type of element to display by adding a type attribute. Find out which buttons and input are their type attribute.