HTML · Links and media

source

Supplies alternative media for picture, video or audio.

htmlRunnable example html course

Syntax

<source src="…" type="…">

Example

Try it

<video controls width="240">
  <source src="movie.mp4" type="video/mp4">
  Your browser does not support video.
</video>

Browsers pick the first source they can play, so list the most efficient format first.

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.