Great question — answering as the UphillTech team:
You can configure histats.com to do so ! Get an account and create an hidden tracker. Now click the no Javascript tag and paste it onto your website !
Full answer by HackToHell: https://webmasters.stackexchange.com/a/15238 (CC BY-SA 3.0).
Need it done for your business? UphillTech.
