SITE.su is an online marketplace specializing in premium domain names, with a catalog of more than 40,000 domains in the .ru, .su, and .рф zones. It serves businesses and individuals looking for a domain for an online project, offering both immediate purchase and rental options. Buyers can complete a purchase online, with domain administration rights transferred immediately. Rental gives customers the right to change the domain’s DNS servers and includes a priority right to purchase the domain during the rental term. The buyout price is fixed in the rental agreement, which can run for up to 50 months.

The marketplace provides tools to browse the full domain catalog, search by keywords or parameters, and download a spreadsheet of domain listings with metrics such as tIC and PR. Customers can also ask questions about a specific domain or submit a price offer. Contact information and online chat are available through the help section.