That’s one of the real opportunities for publishers now implementing or looking at meters, subscriptions, and even micropayments. The most loyal readers or the ones with the most self-interest will pay. The numbers will be small but probably consistent and relatively price elastic as long as they can afford it. Advertisers, in most cases, will pay more to reach them than the masses as long publishers can tell them who they’re reaching.
So far, though, with the exception of some member clubs with benefits that too often could be for members of anything, many publishers seem to be doing little to serve those segments differently than the fly-bys. I’m not suggesting distinctly different products but maybe subscribers should get pages with fewer ads, for instance or be treated like regulars in other ways. That’s where efforts like The New York Times’s Recommendations can work.
At the same time, they have to work to find ways to shift some of the occasionals to regulars, to widen the group just enough—and to make sure the core doesn’t age out. That means making the most of someone’s interest when he or she finds one of those SEO links, treating them like a potential reader instead of just a click.