SITE.su is an online marketplace specializing in premium domain names, offering customers a large selection of keyword-focused domains in the .ru, .su, and .рф zones. The store says it lists more than 40,000 domains and provides options to purchase or rent a domain through its website.

Purchases can be completed online, with domain administration rights transferred to the buyer. For rentals, customers can use their own DNS servers; rental agreements include a priority right to buy the domain, with the purchase price fixed in the contract. Rental pricing is quoted per calendar month, and agreements may last up to 50 months. The marketplace also provides domain listings, advanced search, downloadable domain data, and information intended to help customers compare names and assess their search-related indicators. Visitors can submit questions or price offers, and the site offers assistance and online chat through its Help section. SITE.su serves individuals and businesses seeking a memorable web address, whether for an existing project or a new online venture.