HTML <video> preload Attribute

HTML <var>

HTML <wbr>

The preload attribute on a <video> element specifies if and how the video file is loaded after the page loads.

The preload value is ignored if the video is set to autoplay.

Example

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A preload attribute on an <video> player.
The preload option is none. The video is only loaded when the start button is clicked.

<video width="320" controls preload="none">
  <source src="/media/movie.mp4" type="video/mp4">
  <source src="/media/movie.ogg" type="video/ogg">
</video>

Using preload

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The preload attribute specifies if and how the video file is loaded after the page loads.

This attribute can specify that the video file is loaded even if it is never used.

The preload setting is ignored when autoplay is enabled.

Syntax

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<video preload="auto | metadata | none">

Values

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Value	Description
auto	Loads the entire video file when the page loads.
metadata	Only loads video metadata when the page loads.
none	Indicates that the video file will not be preloaded.