SITE.su is an online marketplace specializing in premium domain names, with more than 40,000 domains available across the .ru, .su, and .рф extensions. The service helps individuals and organizations find memorable, keyword-focused web addresses for their online projects. Customers can purchase a domain online, with immediate transfer, or rent it by assigning their own DNS servers. Rental agreements include a guaranteed right to buy, offering a flexible route to ownership.

The marketplace provides tools to browse the full inventory, search by words or other parameters, and download domain listings in Excel. Listings show purchase and monthly rental prices, and may also include domain age and rating data. Visitors can contact the team through the help section or online chat, ask questions about a specific name, and propose a price. SITE.su presents domains in Russian and Latin-script forms, including names related to a range of topics. Its straightforward purchasing and rental options are designed to make it easier to secure a suitable domain for a business, website, or personal project.