I use the Accessibility Inspector in Chrome's devtools. But in both the cases of Firefox and Chrome, it should be remembered that the Accessibility Inspector is

I use the Accessibility Inspector in Chrome's devtools. But in both the cases of Firefox and Chrome, it should be remembered that the Accessibility Inspector is only a partial view into accessibility issues, and that better extensions exist to show you a broader picture. See this article for suggestions in other better tools and techniques: https://www.24a11y.com/2017/accessibility-testing-tools-desktop-mobile-websites/ https://www.24a11y.com/2017/accessibility-testing-tools-desk...