The search is for a free slot, not for a venue. Someone wanting to play tonight opens Maps, checks who is nearby and books whoever makes it easiest. A club that only lists a phone number loses that booking to the one next door with visible availability.
Availability is the search: a free court at seven on Thursday. A club that publishes its slots is compared on time, not on price.
Most clubs in a town rank for nothing but their own name, which makes availability and level the two words worth owning.
Photos and reviews do the deciding between two clubs at the same distance: court surface, indoor or outdoor, lighting, parking. Those are the details a player checks before booking, and they belong on your profile as much as on the website.