[wp-trac] [WordPress Trac] #58480: Inline render blocking CSS `classic-themes.css'

[WordPress Trac]

#58480: Inline render blocking CSS `classic-themes.css'
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 Reporter:  adamsilverstein  |      Owner:  (none)
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  6.3
Component:  General          |    Version:  6.1
 Severity:  normal           |   Keywords:
  Focuses:  performance      |
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 Related to #56990.

 Since WordPress 6.1, a new CSS file classic-themes.css is now enqueued on
 all pages on the front end of non-block themes.

 Since this is a blocking http request, the impact on performance will be
 affected by network conditions. Inlining the styles will fix this issue.

 Opening this new ticket to inline the styles and leaving #56990 open
 because we still need to address the underlying issue raised there: the
 button CSS should only be included on pages that actually use a button
 block.

 There is a fix available already for this in https://github.com/WordPress
 /wordpress-develop/pull/4511/files

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Ticket URL: <https://core.trac.wordpress.org/ticket/58480>
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