[wp-trac] [WordPress Trac] #33642: Improve default Imagick compression settings

[WordPress Trac]

#33642: Improve default Imagick compression settings
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 Reporter:  joemcgill    |       Owner:  DH-Shredder
     Type:  enhancement  |      Status:  assigned
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Media        |     Version:
 Severity:  normal       |  Resolution:
 Keywords:               |     Focuses:
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Changes (by DH-Shredder):

 * owner:   => DH-Shredder
 * status:  new => assigned


Old description:

> The file sizes of images produced by the current Imagick editor in
> WordPress can be reduced by implementing many of the settings found in
> research done by Dave Newton (@dnewton) and outlined in his Smashing
> Magazine article [http://www.smashingmagazine.com/2015/06/efficient-
> image-resizing-with-imagemagick/ Efficient Image Resizing With
> ImageMagick]. We'll have to be certain that any improved compression
> settings take into account the CPU resources required to process the
> images so that installs on smaller shared hosting environments can handle
> processing large images.

New description:

 This ticket is a placeholder for patches of proposed changes to Imagick
 settings in the [https://wordpress.org/plugins/ricg-responsive-images/
 RICG feature plugin].

 The plugin's Imagick settings reduce file size by up to 50%.

 These changes are being considered separately for merge because during
 development, it was found that the current methods require too much RAM
 usage for some shared hosts.

 Tests for compared CPU and memory usage required for
 consideration/approval.

 Details on optimal settings can be found in @dnewton's
 [http://www.smashingmagazine.com/2015/06/efficient-image-resizing-with-
 imagemagick/ Efficient Image Resizing With ImageMagick].

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Ticket URL: <https://core.trac.wordpress.org/ticket/33642#comment:2>
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