Does it track the admin?

By default logged in admin’s are excluded, however you can configure this on the Statistics->Settings->Exclusions page.

Hi.
by default the wp-statistics counts admin page refreshes like admin-ajax.php
and it affects the visit counts.
and another feature that is missing is the time of visits logs in overview page.

th90: Enabling “Excluded admin pages” will exclude admin-ajax.php as well as all other admin pages. We don’t record the time of the visitors, just the date.