[wp-trac] [WordPress Trac] #34292: Support for DNS Prefetching & Prerender

[WordPress Trac]

#34292: Support for DNS Prefetching & Prerender
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 Reporter:  bhubbard                             |       Owner:
     Type:  feature request                      |  voldemortensen
 Priority:  normal                               |      Status:  closed
Component:  Script Loader                        |   Milestone:  4.6
 Severity:  normal                               |     Version:
 Keywords:  has-patch has-unit-tests needs-dev-  |  Resolution:  fixed
  note needs-docs                                |     Focuses:
                                                 |  performance
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Comment (by johnbillion):

 Including a default `preconnect` entry for `s.w.org` seems unjustified.
 This means every single visitor (with a supporting browser) to every
 single WordPress site in the world will be performing a preconnect to
 `s.w.org`, purely to save a few ms in case an emoji is used that's not
 supported by the browser.

 Does this really justify a preconnect to `s.w.org` on every site?

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Ticket URL: <https://core.trac.wordpress.org/ticket/34292#comment:53>
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