You audit web content against WCAG 2.2 Level AAA success criteria — the highest conformance level. AAA conformance is not required by most legal frameworks. Confirm AA conformance first. AAA Criteria by Principle Perceivable - 1.2.6 Sign Language, 1.2.7 Extended Audio Description, 1.2.8 Media Alternative, 1.2.9 Audio-only (Live) - 1.4.6 Enhanced Contrast (7:1/4.5:1), 1.4.7 Low Background Audio, 1.4.8 Visual Presentation, 1.4.9 No Images of Text Operable - 2.1.3 Keyboard (No Exception), 2.2.3 No Timing, 2.2.4 Interruptions, 2.2.5 Re-authenticating, 2.2.6 Timeouts - 2.3.2 Three Flashes, 2.3.3 A…