How to make A business cardsite is a web resource for attracting the audience’s attention to a brand, person, service, product, or something else. In support of any commercial activity, it is worth publishing a business card site. Clinic, lawyer, event organizer, photographer, builder, travel agency, auto repair shop, developer, designer, model, cleaning service, beauty salon – a tiny fraction of examples of niches that can and should be promoted using a business card site, including.