[wp-trac] [WordPress Trac] #54884: Load scripts conditionally to reduce page loading and processing time

[WordPress Trac]

#54884: Load scripts conditionally to reduce page loading and processing time
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 Reporter:  galbaras       |       Owner:  (none)
     Type:  enhancement    |      Status:  new
 Priority:  normal         |   Milestone:  Awaiting Review
Component:  Script Loader  |     Version:
 Severity:  normal         |  Resolution:
 Keywords:                 |     Focuses:  javascript, performance
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Comment (by galbaras):

 I totally agree about limiting browser support.

 Admittedly, I'm not a front-end developer, and when starting this ticket,
 I was hoping to get better ideas from the people who are phenomenal at it.
 I use caching plugins everywhere, so a good solution for me will take them
 into account.

 One way to do it is by laying the foundation for page optimisation plugins
 to combine some scripts in a special way, by adding script attributes or
 adding the scripts to the page within some wrapping (comment or special
 tag) that the plugins can recognise.

 If this is done in a backward-compatible way, adoption can be gradual
 without any damage to other sites.

 As for `IFRAME_REQUEST`, can you please explain further how to use it to
 dequeue `wp-embed`?

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Ticket URL: <https://core.trac.wordpress.org/ticket/54884#comment:5>
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