I've read that Heartbeat can slow a WP site down and I'm assuming if our admins/store managers have a lot of admin windows/tabs open, this will exacerbate the issue.
If yes, is there a condition to test and log the calls that Heartbeat makes so I can see if the site slowdown could be related to an excess of Heartbeat calls?
I had a look in the documentation and elsewhere but only found ways to deregister the script (
wp_deregister_script('heartbeat'); ) - not what I need.
Or am I barking up the wrong tree and this is something that should be monitored via server logs, by watching: