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WebAIM's WCAG 2 Checklist

WebAIM, WebAIM, Utah State University, 2026

Read on October 16, 2026

What it is: A checklist from the accessibility organization WebAIM that lists each WCAG 2 success criterion with its conformance level (A, AA or AAA) in plain language.
How much weight it carries: WebAIM is a long-established accessibility group at Utah State University and the checklist mirrors the W3C criteria. It is a summary, so the W3C's WCAG text remains the normative source.

Facts taken from this source

WCAG 2.2 success criterion 1.2.2 requires captions for all prerecorded audio content in synchronized media, and it is a Level A criterion.
“1.2.2 Captions (Prerecorded) A 2.0 Synchronized captions are provided for non-live video (YouTube videos, etc.).” (1.2.2)
WCAG 2.2 success criterion 1.2.4 requires captions for all live audio content in synchronized media, and it is a Level AA criterion.
“1.2.4 Captions (Live) AA 2.0 Synchronized captions are provided for live media that contains audio (audio-only broadcasts, web casts, video conferences, etc.)” (1.2.4)