Modalities with plain descriptions, session lengths and prices, license type and number, real photos of the treatment space, a full description of what a first session involves, exact location with parking and entry details, online booking, and a clearly stated cancellation policy.
Booking a massage with someone new means undressing in a room with a stranger. That is the actual decision, and most massage websites ignore it entirely in favour of a stock photo of hot stones.
Eight things belong on the site: