Anyone know how DDG is detecting this: > Your browser indicates if you've visited this link. I was under the impression that browsers try to block sites from

Anyone know how DDG is detecting this: > Your browser indicates if you've visited this link. I was under the impression that browsers try to block sites from being able to detect this. Traditionally, the hack has been with the :visited pseudo-class, but not sure if there's more at play here. Kind of a weird feature for a search engine whose tagline is "The search engine that doesn't track you."