[wp-trac] [WordPress Trac] #38793: Twenty Seventeen: Compress the header image (mostly visibly lossless)

[WordPress Trac]

#38793: Twenty Seventeen: Compress the header image (mostly visibly lossless)
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 Reporter:  Presskopp              |       Owner:  joemcgill
     Type:  enhancement            |      Status:  reopened
 Priority:  low                    |   Milestone:  4.7
Component:  Bundled Theme          |     Version:  trunk
 Severity:  normal                 |  Resolution:
 Keywords:  2nd-opinion has-patch  |     Focuses:
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Changes (by joemcgill):

 * keywords:   => 2nd-opinion has-patch


Comment:

 Some measurements here using DSSIM against the original before [39248]
 (lower scores are better):


 '''Original (209KB)'''
 [https://core.trac.wordpress.org/raw-attachment/ticket/38793/header.jpg
 header.jpg] (143.7KB) – 0.002244
 [https://core.trac.wordpress.org/raw-
 attachment/ticket/38793/header%20(75).jpg header(75).jpg] (112.2KB) –
 0.003032
 [https://core.trac.wordpress.org/raw-attachment/ticket/38793/header-
 tinypng.jpg header-tinypng.jpg] (131.3KB) - 0.003752
 [https://core.trac.wordpress.org/raw-
 attachment/ticket/38793/header%20(75)_mini.jpg header (75)_mini.jpg]
 (97.0KB) - 0.004268
 [https://core.trac.wordpress.org/raw-attachment/ticket/38793/header.2.jpg
 header.2.jpg] (47.9KB) – 0.008374

 Based on these numbers, I think [attachment:header (75).jpg] is the best
 option, but would like a second opinion from @davidakennedy, @karmatosed,
 or @melchoyce before compressing this image further.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38793#comment:11>
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