a11y teacher edition W3C WCAG 2.2 & WCAG 3.0 draft reference
Plain English Accessibility Hub

Translating W3C Standards for Designers, Developers, QA & Product teams

โš ๏ธ W3C Working Draft Notice

WCAG 3.0 is an active W3C Working Draft in development by the AGWG. Requirements, assertions, the conformance model and reporting tiers are still being developed and may change. The latest published draft is the 10 September 2026 Working Draft; this site follows the editorsโ€™ draft, which also includes exploratory provisions.

developing Supplemental requirement

Captions Unobstructed

Group: images-and-media • Guideline: captions

Summary in Plain English

Captions are positioned so they do not cover visual information needed to understand the video.

Why It Matters

Captions sitting over on-screen text or a speaker's face force a deaf viewer to choose between two pieces of the same content.

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