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Opened 3 years ago

Last modified 8 months ago

#37788 new enhancement

dns-prefetch s.w.org conditionally via javascript

Reported by: superpoincare Owned by:
Milestone: Awaiting Review Priority: normal
Severity: normal Version: 4.6
Component: Script Loader Keywords:
Focuses: Cc:
PR Number:

Description

For many users, dns-prefetch to s.w.org is not needed if they aren't using Jetpack or any plugin which connects to it. It's because:

  1. A page may not have an emoji
  2. Even if the page has it, the browser may support emojis. Going forward the support will increase.

Hence I propose the dns-prefetch to s.w.org be made only if the feature detection detects wp-emoji-release needs to be loaded or if possible page needs an emoji svg.

Change History (3)

#1 @SergeyBiryukov
3 years ago

  • Component changed from General to Script Loader

#3 @garrett-eclipse
8 months ago

Related - #44001
*If emoji scripts gets internalized due to privacy concerns then the need to prefetch s.w.org will be gone.

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