This site uses Google Analytics to help us track page views. This allows us to understand better which pages are more popular than others.
Analytics are off until you allow them. The first time you visit, a banner asks whether that's alright; nothing is stored and no analytics cookie is set unless you say yes. Your answer is remembered in your browser so you aren't asked again.
To change your mind, clear this site's data in your browser settings and you'll be asked again on your next visit.