For web devs trying to build an accessible web, I can't stress how great the WebAIM WAVE tool is: https://wave.webaim.org/ https://wave.webaim.org/. It opens a

For web devs trying to build an accessible web, I can't stress how great the WebAIM WAVE tool is: https://wave.webaim.org/ https://wave.webaim.org/. It opens a sidebar on the webpage you have open showing you accessibility issues: incorrect heading orders, unlabeled forms, missing alt tags, bad contrast, etc. It also can walk you through the spec in plain English to help you understand why you need to make the changes it suggests.