function custom_noindex_parameters($robots) { $uri = $_SERVER['REQUEST_URI']; $blocked = ['gridcookie', 'add_to_wishlist', 'filter_']; foreach ($blocked as $param) { if (strpos($uri, $param) !== false) { return 'noindex, follow'; } } return $robots; } add_filter('wpseo_robots', 'custom_noindex_parameters');