SITE.su is an online marketplace specializing in premium domain names, offering a selection of around 40,000 domains, including keyword-based names in the .ru, .su, and .рф zones. The service lets customers buy domains online or rent them, with listings that display prices and other details to help users compare options.

Purchases are completed online, with domain administration rights transferred immediately. For rentals, customers can assign their own DNS servers and receive a priority right to buy the domain during the rental agreement. The purchase price is fixed in that agreement, and rental contracts can last up to 50 months.

Visitors can search by words or themes, use advanced search parameters, view the complete domain list, or download a spreadsheet. SITE.su also provides a contact form for questions or price offers, along with help and online chat. Its marketplace is designed to make finding, evaluating, purchasing, and renting domain names straightforward for business and personal projects.