Use cases

Template cleanup: missing lang, skip link, and icon-only header links
Editor gaps: images pasted without alt, embeds without title
External CTAs: target=_blank links that forgot rel and a new-window hint
Search boxes: placeholder-only inputs in modules
Audit first: Report only, then turn on Fix when you like the list
Agency review: Super User debug panel on client sites without a separate scanner
Site-specific gaps: custom report or attribute rules for your template

Keep Fill empty alt off unless you know empty alt is accidental
Keep Positive tabindex off unless a third-party script forced bad tabindex values
Exclude checkout, builder, or ajax endpoints if they return HTML fragments
Turn Mark fixes off on production unless you are still debugging
Use Easy Accessibility when visitors need their own text size, contrast, or Read Mode