SITE.su is an online marketplace specializing in premium domain names, including keyword domains and websites in the .ru, .su, and .рф zones. Its catalog includes tens of thousands of listings, with domains available for immediate purchase or rental. The service is designed for individuals and businesses seeking a memorable web address for an online project, particularly in areas such as finance and lending.

Customers can browse domains by matching, beginning, or containing selected keywords, and explore related names, synonyms, and Russian-language equivalents. Search filters help narrow results, while downloadable listings provide additional domain information. Each listing displays purchase and monthly rental prices, and some include age and rating data.

Purchases can be completed online, with the domain transferred immediately. Rental is arranged by assigning the customer’s DNS servers, and selected rentals include a guaranteed right to buy. Customers may also submit a question or offer a price through the site’s contact form. SITE.su provides account access, help information, and an online chat for customers who need assistance.