[wp-trac] [WordPress Trac] #58801: Prefetch Block Editor from Posts page

[WordPress Trac]

#58801: Prefetch Block Editor from Posts page
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 Reporter:               |      Owner:  (none)
  adamsilverstein        |
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Editor       |    Version:  trunk
 Severity:  normal       |   Keywords:  needs-patch dev-feedback needs-
  Focuses:  performance  |  unit-tests needs-testing
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 One of the most common user journeys in wp-admin for creating or editing a
 Post is navigating to the Posts page (`wp-admin/edit.php`) then to the
 Block Editor (either by clicking a post to edit or clicking the "New Post"
 button or sidebar menu).

 We can greatly increase up the speed with which the editor loads by
 prefetching the edit screen once the user reaches the Posts page. Prefetch
 will "prime the html cache" for all of the resources needed by the editor,
 resulting in the editor loading much faster for users.

 Note: since users can also reach the editor from the wp-admin bar, we
 might want to consider adding prefetch when the user interacts or opens
 the "New" menu. However, to keep this initial proposal small and easier to
 test I decided to limit the scope to the Posts page.

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Ticket URL: <https://core.trac.wordpress.org/ticket/58801>
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