SITE.su is an online marketplace specializing in premium domain names, with a catalog of more than 40,000 listings across the .ru, .su and .рф zones. It serves businesses, entrepreneurs and individuals seeking a web address for a brand, website or project. Customers can browse keyword domains, search by one or more terms, or use advanced search options to narrow their choices. The site also provides complete domain lists for viewing or download, including spreadsheet exports with available domain information.

Domains can be purchased online with instant transfer or rented by assigning the customer’s DNS servers. Rental options may include a guaranteed right to buy the domain later, giving customers a way to use an address before committing to purchase. Listings show purchase and monthly rental prices, and some include age and rating information. Buyers can proceed through the shopping cart for immediate transactions or contact the store to ask questions and propose a price. SITE.su provides help, email and phone contact options, as well as online chat for customer support.