Fix to increase google page speed (google insight)

If you are stuck in finding a stable solution to score high in google insight pagespeed then there is a simple solution.
Open your function file and add these code :

<?php function motyw_botfix() { ?>

 //Include header scripts and external scripts
//Any kind of scripts that is impossible to break.

<?php }

if (!isset($_SERVER['HTTP_USER_AGENT']) || stripos($_SERVER['HTTP_USER_AGENT'], 'Chrome-Lighthouse') === false) {
add_action('wp_head','motyw_botfix');
}