SITE.su is an online marketplace specializing in premium domain names, with more than 40,000 domains available across the .ru, .su, and .рф zones. The service helps individuals and businesses find memorable, keyword-focused web addresses, including names suited to film and entertainment projects. Customers can purchase a domain online, with immediate transfer of administration rights, or rent one by assigning their own DNS servers. Rental agreements include a priority right to buy the domain at a price fixed in the contract, and can last up to 50 months.

The marketplace offers domain search tools, including an expanded search, listings of related and transliterated names, and downloadable domain catalogs with SEO-related indicators. Listings may include purchase and monthly rental prices, registration age, and measures of search interest and visibility. Customers can submit questions or offers for a domain, while assistance and online chat are available through the Help section. SITE.su presents domain acquisition and rental as flexible options for building an online presence, with listings such as kinoshnoe.ru and its Cyrillic counterpart киношное.рф.