SITE.su is an online marketplace specializing in premium domain names, offering more than 39,000 listings, including keyword-rich domains and websites in the .ru, .su, and .рф zones. Customers can purchase domains online or rent them by the month, with options to browse a full catalogue and search by words or other parameters. Listings provide information such as prices, domain age, and search-related ratings to help users compare available names.

Purchases include an online transfer of domain administration rights, while rental gives the customer permission to change the domain’s DNS servers. Rental agreements include a priority right to buy the domain during the contract term, with the purchase price fixed in advance; agreements can run for up to 50 months. The site also offers downloadable domain lists, including spreadsheet files, and lets prospective buyers ask questions or propose a price. Help resources, contact details, and an online chat are available through the support section. SITE.su serves individuals and businesses seeking a suitable web address for a project or online presence.