Captions make audio elements usable for deaf or hearing-impaired users,
providing critical information such as who is talking, what they're saying,
and other non-speech information.
Lighthouse reports any
<audio> elements that are missing a
with the attribute
How to fix this problem
To fix this problem,
add at least one track element to the
<source src="favoriteSong.mp3" type="audio/mp3">
<track src="captions_en.vtt" kind="captions" srclang="en" label="english_captions">
<track src="captions_es.vtt" kind="captions" srclang="es" label="spanish_captions">
Learn more in
<audio> elements must have a captions
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