SITE.su is an online marketplace for premium domain names, offering more than 40,000 domains in the .ru, .su, and .рф zones. Customers can browse, search, and compare domain listings, view details such as age and search-related indicators, and download the full catalogue as an Excel file. The marketplace focuses on keyword-rich domains and provides tools for finding names by words or other parameters.

Domains can be purchased online with immediate transfer of administrative rights or rented by the month through the assignment of the customer’s DNS servers. Rental agreements include a priority right to buy the domain during the rental period, with the purchase price fixed in the contract; agreements may last up to 50 months. Listings display purchase and monthly rental prices, and customers can contact the seller to ask questions or propose another price. Site.su also provides account access, help, contacts, and online chat. Its services are intended for businesses and projects seeking a distinctive web address, including the listed domain koniyak.ru.