SITE.su is an online marketplace specializing in premium domain names, offering more than 40,000 domains for purchase or rental. Its listings cover the .ru, .su, and .рф extensions and include keyword-focused names intended for a range of online projects. Customers can browse the full catalogue, search by terms or other criteria, and download a domain list with available ranking information.

The marketplace supports immediate online purchases, with domain administration rights transferred to the buyer, as well as monthly rentals. Rental arrangements allow customers to change the domain’s name server settings and include a priority right to purchase the domain during the rental period. The purchase price is fixed in the rental agreement, which can run for up to 50 months. SITE.su also provides a way to ask questions or propose a price, with contact details and online chat available through its help section. By combining domain search, purchasing, rental, and negotiation options, the service helps individuals and businesses find names for their online presence.