[wp-trac] [WordPress Trac] #31793: Theme Switcher: Lazy load theme screenshots

[WordPress Trac]

#31793: Theme Switcher: Lazy load theme screenshots
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 Reporter:  ocean90       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  high          |   Milestone:  4.2
Component:  Customize     |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:  javascript
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Comment (by celloexpressions):

 I feel like we should probably load a bit earlier than that, so that
 there's time for the image to fully download on a normal/slower connection
 before the user sees the image. Maybe load 2-3 screenshots ahead?

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Ticket URL: <https://core.trac.wordpress.org/ticket/31793#comment:6>
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