[wp-trac] [WordPress Trac] #33901: Defer embedding widget controls to improve DOM performance

[WordPress Trac]

#33901: Defer embedding widget controls to improve DOM performance
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 Reporter:  westonruter  |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  4.4
Component:  Customize    |     Version:
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:  performance
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Comment (by westonruter):

 I ran Chrome's memory usage timeline before/after the feature plugin was
 activated.

 Before:
 * Peak JS heap size: 53MB
 * DOM node count: ~300k
 * Scripting time: 29.3 seconds

 After:
 * Peak JS heap size: 38MB
 * DOM node count: ~22k
 * Scripting time: 1.13 seconds

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Ticket URL: <https://core.trac.wordpress.org/ticket/33901#comment:2>
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