[wp-trac] [WordPress Trac] #42438: Add support for preload links (similar to resource hints)

[WordPress Trac]

#42438: Add support for preload links (similar to resource hints)
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 Reporter:  nico23                               |       Owner:  swissspidy
     Type:  enhancement                          |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.1
Component:  Script Loader                        |     Version:  4.9
 Severity:  normal                               |  Resolution:
 Keywords:  has-unit-tests has-patch commit      |     Focuses:
  needs-dev-note                                 |  performance
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Comment (by adamsilverstein):

 > Thinking this probably should be added to the docblock for
 wp_preload_resources(), as preloading can actually slow down rendering if
 used incorrectly.

 Good suggestion, I'll add some language there

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Ticket URL: <https://core.trac.wordpress.org/ticket/42438#comment:59>
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