Originally Posted by thommy

Clearly an amateur mountaineer can be seen much more clearly when he visits a page for mountaineers. Also, he will convert there many times better than a user who, for example, on a weather page informs. BUT also the hobby mountaineer will visit the weather page and if necessary also a porno page on the among the mass of visitors the percentage of hobby mountaineers is small but as a number seen possibly even higher than on the mountaineer page. If only 0.1 % of a tube with 5 million visitors are interested in mountaineering on the day, this already results in 5000 interested mountaineers. There are surely not so many specialized side that can show that on the day.