Gets or sets a hint to how much buffering is advisable for a media resource, even if autoplay isn't specified.
The document author does not expect the user to need the media resource, or the server wants to minimize unnecessary traffic.
The document author does not expect the user to need the resource. However, if the resource metadata (dimensions, first frame, track list, duration, and so on) is available, using a resource is preferred unless it impacts performance to do so.
The document author gives the user access to media content, which includes the ability to download the entire resource.
- HTML5 A vocabulary and associated APIs for HTML and XHTML, Section 18.104.22.168