[wp-trac] [WordPress Trac] #55491: Replace unload from heartbeat js

WordPress Trac noreply at wordpress.org
Thu Mar 31 02:35:08 UTC 2022

#55491: Replace unload from heartbeat js
 Reporter:  shawfactor   |      Owner:  (none)
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  General      |    Version:  5.9
 Severity:  normal       |   Keywords:
  Focuses:               |
 Right now the heartbeat javascript library uses an unload handler, this
 means that where ever it is used the page is not elgible for the bfcache
 in many browsers.


 Wordpress could get a significant performance improvement if this listener
 was replaced by using the page visibility api or a combination of pagehide
 handlers. Which i assume are possible in jquery

Ticket URL: <https://core.trac.wordpress.org/ticket/55491>
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