SITE.su is an online marketplace for premium domain names, offering more than 40,000 keyword domains across the .ru, .su, and .рф zones. The store helps businesses, entrepreneurs, and other web project owners find memorable names suited to their topics and audiences. Customers can browse the full domain inventory, search by words or parameters, and explore matching, translated, related, and synonym-based suggestions. Listings include purchase and monthly rental prices, with details such as domain age and available traffic or search indicators.

Domains can be purchased online with immediate transfer, or rented by assigning the customer’s DNS servers. The rental option includes a guaranteed right to buy the domain, giving customers a way to use a name before committing to ownership. The site supports instant checkout for both purchases and rentals, and provides a contact form, email and phone contact requirements, and online chat through its Help section. Users can also download the complete domain list, including listed SEO metrics, for further review.