Principle 1 Perceivable · Guideline 1.2: Time-based Media
1.2.4 Captions (Live)
Live broadcasts need captions too.
What this means in practice
This covers webinars, livestreams and online events. It requires real-time captioners; automatic speech recognition usually is not enough. Anyone broadcasting regularly should plan for it rather than improvise.
Normative wording
The binding text lives at the W3C. What you read here is our own faithful rendering – not a quotation.