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

[WordPress Trac]

#34292: Support for DNS Prefetching & Prerender
---------------------------+-----------------------------
 Reporter:  bhubbard       |      Owner:
     Type:  enhancement    |     Status:  new
 Priority:  normal         |  Milestone:  Awaiting Review
Component:  Script Loader  |    Version:  trunk
 Severity:  normal         |   Keywords:
  Focuses:  performance    |
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 I would like to see WordPress improve support for DNS Prefetching.

 I have written several plugins and themes for clients, and sometimes I
 want to prefetch various resources for each. At the same time other
 plugins or themes may try prefetching the same url as well, or I have
 multiple plugins that want to prefetch the same domain. Having the ability
 for developers to register and enqueue prefetch dns urls would be great.
 I'm thinking this might work similar to scripts and stylesheets:


 {{{
 wp_register_dns_prefetch();
 wp_enqueue_dns_prefetch();
 }}}

 {{{
 wp_register_prefetch();
 wp_enqueue_prefetch();
 }}}

 {{{
 wp_register_prerender();
 wp_enqueue_prerender();
 }}}



 There are several plugins out there already that offer input boxes to
 create DNS Prefetch, and Jetpack now has a DNS Prefetch for the
 urls/resources it loads on a install.

 Useful Links:
 https://www.chromium.org/developers/design-documents/dns-prefetching
 https://jack.ofspades.com/prefetching-preloading-and-prerendering-content-
 with-html/

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