SITE.su is an online marketplace specializing in premium domain names, offering a large selection of keyword-rich web addresses in the .ru, .su, and .рф zones. The store says it has more than 40,000 domains available, with options suited to businesses and personal projects seeking a distinctive online identity. Customers can buy domains online with immediate transfer or rent them by assigning their own DNS servers. Rental agreements include a guaranteed right to purchase the domain, giving customers a way to use a name before deciding whether to acquire it.

The marketplace supports instant purchase and rental through its online listings, and visitors can search by words, themes, and other parameters using an advanced search tool. It also provides downloadable domain lists in Excel, with details such as age and ratings, and allows customers to ask questions or propose a price for a specific name. Contact information and an online chat are available through the Help section. SITE.su combines domain discovery, flexible acquisition options, and practical tools for comparing available names.