Database queries on every page load are slow. Redis caches objects in memory for instant access. Install Redis Plugin: “Redis Object Cache” by Till Krüss Setup Redis Server: # Ubuntu/Debian sudo apt install redis-server sudo systemctl start redis sudo systemctl enable redis Configure WordPress (wp-config.php): define(‘WP_REDIS_HOST’, ‘127.0.0.1’); define(‘WP_REDIS_PORT’, 6379); define(‘WP_CACHE’, true); Enable in Plugin: Settings […]
Tag: Speed Optimization
WordPress Speed Hack: How Lazy Loading Images Cuts Page Load Time in Half
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’); […]

