my Joomla site is too slow. It approximately uses 8 to 10 s to load main page. I am using xampp. template protostar. PC core i7. OS windows. JOOMLA 3.15. Is it normal ??
LIn your configuration.php make sure you have public $host = '127.0.0.1';, instead of 'localhost'. This is an php/mysql issue. For me it is 1 second differance for every db connection.
When you have joomla debug mode on, you get time information: