Limit WP-Admin AJAX requests with Heartbeat Control Print

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By default, AJAX requests, sometimes called heartbeat requests, are sent every 15 seconds when editing pages/posts, and every 60 seconds while logged onto the dashboard.

However, if you usually leave your WordPress admin open for long periods (for example, when you write or edit posts), there are too many wp-admin tabs open, or if there are multiple admins logged in and editing content, the AJAX requests from the API can pile up and generate high CPU usage, leading to server performance issues.

We recommend installing the plugin Heartbeat Control and utilising it to space out those heartbeat requests. We would advise modifying the dashboard and post editor frequency to 120 seconds.

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