[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 changes-requested        |
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Comment (by eatingrules):

 Replying to [comment:135 spacedmonkey]:
 > Just a thought. How about this.
 >
 > Allow users to upload jpgs are normal. Add a warning / check in the
 editor. Something like.
 >
 > “It appears you are using images that are not optimised, would you like
 to optimise them?”
 >
 > Then when you click okay, covert images to webp and remove jpeg version.
 >
 > Then add a check setting to “optimise all images by default”.

 Interesting ideal. Maybe a bit clunky, but at least this way it's not just
 creating extra images in the background with a site owner oblivious to
 what's going on, and instead gives them the control and can help them make
 an informed decision.

 It seem to me that all the concerns people have raised that haven't been
 addressed yet could be solved in one of two ways:

 1. Overhaul how WordPress deals with thumbnails, generating as-needed on
 first use. (A huge undertaking, but would be an awesome outcome!). This
 would provide plenty of headroom for ''both'' JPG and WebP files to be
 saved to disk as-needed.

 2. Add an option in the Media Settings, **disabled by default**, that can
 enable WebP generation... it could explain both the pros and cons so
 people can decide what's best for them.  There could even be a dashboard
 notification suggesting people turn it on.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55443#comment:137>
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