Отключаем Query Monitor на фронте

wp-disable-query-monitor-on-frontend.php

<?php
add_filter( 'option_active_plugins', static function( $plugins ) {
	foreach ( $plugins as $plugin ) {
		if ( $plugin === 'query-monitor/query-monitor.php' && wp_get_environment_type() === 'production' ) {
			unset( $plugins[ $plugin ] );
		}
	}

	return $plugins;
} );