[wp-trac] [WordPress Trac] #37840: Optimize full size images

[WordPress Trac]

#37840: Optimize full size images
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 Reporter:  joemcgill    |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  4.8
Component:  Media        |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  needs-patch  |     Focuses:
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Comment (by enshrined):

 I agree with @joemcgill here, I think it makes sense to have an extra
 image size for an optimised 'full' image but only store it if the
 difference in filesize actually makes it worth it. Perhaps set the
 difference as a sensible default but make it filterable?

 The new image size would then need to act as an alias for 'full' if it
 hasn't been generated either due to it not existing yet or because the
 difference in file size is negligible.

 I'm not so sure about adding extra image sizes though, these can be added
 by themes/plugins and the filters in `wp_calculate_image_srcset()` should
 allow you to add these sizes to the srcset without too much trouble. I
 don't see the need to bloat WordPress's uploads dir too much more when a
 lot of themes will define these sizes themselves if they need them.

 I'd be quite happy to have a crack at a first draft of a patch if the
 above sounds like the right sort of approach?

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Ticket URL: <https://core.trac.wordpress.org/ticket/37840#comment:19>
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