SITE.su is an online marketplace specializing in premium domain names, offering around 40,000 names for sale or rent across the .ru, .su and .рф domains. Its catalogue includes keyword-based domains and transliterated names, with listings that display purchase and monthly rental prices, domain age and search-related indicators. Customers can browse the full inventory, download a spreadsheet, or use advanced search to find names by relevant terms.

The service supports immediate online purchases, with domain administration rights transferred to the buyer, as well as rentals arranged by assigning the customer’s DNS servers. Rental agreements include a priority right to buy the domain at a price fixed in the contract, and can last up to 50 months. Shoppers can place orders through the website or contact the marketplace to ask questions and propose a price; help and online chat are available through its support section. SITE.su presents domain acquisition as a practical option for businesses and personal projects seeking a distinctive web address, while providing tools and listing details to help customers compare available names.