SITE.su is an online marketplace for premium domain names, offering more than 40,000 listings across the .ru, .su, and .рф zones. Customers can browse domains by keyword, transliteration, or related terms, use advanced search options, and download the full catalogue as an Excel file. Listings include information such as purchase and rental prices, domain age, and available traffic or search metrics.

The marketplace supports both immediate purchase and rental. Purchases are completed online, with the domain transferred instantly; rentals are arranged by assigning the customer’s DNS servers, and some listings offer a guaranteed right to buy later. Buyers can also contact the seller to ask questions or propose a price. The site provides account access, help, and online chat for customer support. Its catalogue includes individual names such as vyhody.ru, alongside related Russian-language and transliterated domains. SITE.su is designed for businesses and personal projects seeking a relevant web address, with flexible options for acquiring or using a domain.