You leave a digital footprint everywhere, you don't need to download anything by simply visiting a site, your IP is just about always logged u make a trail everywhere you go online noone probably care where you go but if they really did want the information is out there.

Your best option on not being seen is to be seen, there are programs out there I'm not really sure If I'm meant to just post them but PM me. But you can change who they think you are, so they might be able to track you but does it really matter if there tracking a ghost