[wp-trac] [WordPress Trac] #55443: Create WebP sub-sizes and use for output

[WordPress Trac]

#55443: Create WebP sub-sizes and use for output
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 Reporter:  adamsilverstein                      |       Owner:
                                                 |  adamsilverstein
     Type:  enhancement                          |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.1
Component:  Media                                |     Version:  6.0
 Severity:  normal                               |  Resolution:
 Keywords:  has-unit-tests needs-dev-note        |     Focuses:
  needs-docs needs-user-docs needs-patch 2nd-    |  performance
  opinion needs-testing                          |
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Comment (by eatingrules):

 >> Is it really a mess for the user though? I can see with your media
 developer hat it is a bit messy, but for end users nothing actually
 changes in the UI or when using images.

 Serving WebP images when they're not expected by the user will indeed
 cause confusion for non-developers.

 We use Cloudflare Polish for our clients' sites, which will serve WebP if
 it's smaller than the original JPG... our clients (or their Assistants)
 will try to download an image from the front-end of the site. So they'll
 Right-Click->Save As... and then be very confused and frustrated when the
 file that they think is a JPG actually downloads as a WebP.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55443#comment:120>
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