The site has a SSL certificate so traffic is encrypted on https. This means that observers would only see that you visited the site, not which pages you viewed (unless something else is logging the traffic like your web browser.)
The site is hosted by MayFirst (A non-profit membership organization that uses mutual aid to provide Internet services, such as web hosting to progressive organizations and individuals).
The MayFirst server is configured to not log the ip address of visitors to this site.
There are no tracking or analytics systems installed that record information on visitors.