SITE.SU is an online marketplace specializing in premium domain names, with a catalog of approximately 40,000 names in the .ru, .su, and .рф zones. The store serves businesses, entrepreneurs, and project owners seeking a distinctive web address, offering both outright purchases and domain rentals.

Customers can buy domains online, with administration rights transferred immediately, or rent a name by assigning their own DNS servers. Rental agreements are available for up to 50 months and include a priority right to purchase the domain during the rental period, at a price fixed in the contract. The marketplace provides tools to browse the full catalog, search by keywords and other parameters, and download domain lists in Excel format. Listings may include purchase and monthly rental prices, registration age, and indicators related to search interest and SEO potential. Customers can also contact the store through its help section or online chat to ask questions or propose a price. SITE.SU makes domain acquisition flexible, whether customers are ready to buy or prefer to rent first.