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 businesses and individuals find keyword-rich names for websites, marketing campaigns, and personal brands, offering domain purchases as well as monthly rentals.

Buyers can complete purchases online, with domain administration rights transferred immediately. Rental customers can use their own name servers and receive a contractual priority right to buy the domain during the rental period; the purchase price is fixed in the agreement. Rental terms can last up to 50 months. The marketplace provides search tools, domain lists available for download, and information such as domain age and indicators of search visibility. Customers can also ask questions or propose a price through the site, with contact options available in its help section. By combining instant transactions, flexible rental arrangements, and a broad catalog of Russian-language and internationalized domain names, SITE.su offers practical options for securing an address for an online project.