[wp-trac] [WordPress Trac] #58434: Use Page Visibility API to improve performance

[WordPress Trac]

#58434: Use Page Visibility API to improve performance
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 Reporter:  milindmore22  |      Owner:  (none)
     Type:  enhancement   |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
  Focuses:  performance   |
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 The Page Visibility API is around for a while, can we utilize this to
 optimize WordPress Core

 1. Video - Pause the video when the screen is not visible
 2. Audio - Pause Audio when the screen is not visible
 3. Heartbeat (#55491)

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Ticket URL: <https://core.trac.wordpress.org/ticket/58434>
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