Wordpress WordPress — Heartbeat API Triggers Admin CPU Spikes - 29.12.25 - ErcanOPAK Runs every 15 seconds by default. ✅ Fix Throttle or disable outside editor pages. Related posts:WordPress Pages Load Fast but TTFB Is HighWordPress — REST API Auth Failures Behind CDNDisable Heartbeat API Selectively (Not Globally) Post Views: 6