Daily micro-tips for C#, SQL, performance, and scalable backend engineering.
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 sites loading slowly due to images? Native lazy loading with modern techniques dramatically improves performance. // Add to functions.php function add_lazy_loading_attributes($content) { // Only run on frontend if (is_admin() || wp_is_json_request()) { return $content; } // Use DOMDocument for reliable parsing if (class_exists(‘DOMDocument’)) { $dom = new DOMDocument(); @$dom->loadHTML(mb_convert_encoding($content, ‘HTML-ENTITIES’, ‘UTF-8’)); $images = $dom->getElementsByTagName(‘img’); […]
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 – […]
Plugins aren’t slow. Bad hooks are. What actually hurts init hooks doing heavy logic Unconditional database queries Hooks running on admin + frontend Fix Profile hooks Load logic conditionally Split admin/frontend hooks