HTML <video> autoplay Attribute

Example

<video width="340" height="260" controls autoplay>
  <source src="video.mp4" type="video/mp4">
  <source src="video.webm" type="video/webm">
  Your browser does not support the video tag.
</video>

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Meaning

The autoplay attribute specifies the browser should begin playing a video after page load once enough content has been received and it is reasonable to play without interruptions.

Note: In some browsers (e.g. Chrome 70.0) autoplay doesn't work if no muted attribute is present.

Sites that automatically play audio (or videos with an audio track) can be an unpleasant experience for users, so should be avoided when possible.

If you must offer autoplay functionality, you should make it opt-in (requiring a user to specifically enable it).

Standard Syntax

HTML: <video autoplay>...</video>

XHTML: <video autoplay="autoplay">...</video>

Attribute Values