SITE.su is an online marketplace for premium domain names, offering more than 40,000 domains, including keyword-based names and existing websites in the .ru, .su, and .рф zones. Customers can browse listings, search by words or other parameters, view a full inventory, or download a domain list with available metrics. Each listing provides details such as purchase and monthly rental prices, domain age, and indicators intended to help assess search visibility.

The marketplace offers instant 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 during the rental period, with the purchase price fixed in the contract; agreements may last up to 50 months. Visitors can submit questions or price offers for individual domains and contact the service through the Help section, which includes online chat. SITE.su presents its service as a way for individuals and businesses to find and acquire domain names for their online projects.