Overview This case study was conducted to evaluate the effectiveness of the primary category as a ranking factor for a Google Business Profile (GBP). A GBP was optimized using various ranking factors, including star rating, review count, domain authority (DA), referring domains, and GBP name, but it lacked an optimal primary category, resulting in unsatisfactory rankings. Once the primary category was updated from "Plastic Surgery Clinic" to "Plastic Surgeon," rankings drastically improved immediately. The improved rankings were particularly prominent in...