Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
WordPress Heartbeat API pings server every 15-60 seconds causing CPU spikes. Slow it down or disable. Add to functions.php: // Reduce heartbeat frequency add_filter(‘heartbeat_settings’, function($settings) { $settings[‘interval’] = 60; // From 15-60 to 60 seconds return $settings; }); // Disable on frontend only (keep for editor autosave) add_action(‘init’, function() { if (!is_admin()) { wp_deregister_script(‘heartbeat’); } […]
WordPress saves every draft edit as revision. Posts with 100+ revisions bloat your database. Limit Revisions in wp-config.php: // Keep only last 3 revisions define(‘WP_POST_REVISIONS’, 3); // Or disable completely define(‘WP_POST_REVISIONS’, false); Add above /* That’s all, stop editing! */ line. Clean Existing Revisions: Install “WP-Optimize” plugin → Database tab → Remove all post revisions […]
WordPress admin panel sluggish and using 100% CPU? The Heartbeat API polls your server every 15 seconds for autosave and notifications, eating resources. What Heartbeat Does: Every 15 seconds: – Check for new comments – Check for plugin updates – Autosave post drafts – Notify about other users editing same post – Trigger scheduled tasks […]
Getting hundreds of spam comments daily? Here’s a plugin-free solution that blocks 95% of spam bots at the server level. The Problem: Most spam bots post comments by directly hitting your wp-comments-post.php file, bypassing your website’s front-end entirely. Anti-spam plugins catch this AFTER it reaches WordPress, wasting server resources processing garbage requests. The Solution – […]