Use kStats to collect real time statistics and aggregated data for your WordPress site. Provides a detailed overview of visitors, pageviews, referring
Installation of kStats Reloaded is fairly easy;
/kstats-reloaded/folder to your
/definitions/folder need to be made writable (chmod 0777)
** Please note that installation of kStats Reloaded requires PHP 5. MySQL 5.0.3+ is recommended but not required.