SITE.su is an online marketplace specializing in premium domain names, with a catalog of more than 40,000 domains across the .ru, .su, and .рф extensions. The service helps businesses and individuals find memorable, keyword-focused domain names for websites and online projects. Customers can purchase a domain through an online process, with administration rights transferred instantly, or rent one by assigning their own name servers. Rental agreements include a priority right to buy the domain, with the purchase price fixed in the contract; agreements can run for up to 50 months.

Visitors can browse the full catalog, download domain listings in Excel, or use advanced search to find names by specific criteria. Listings provide details such as purchase and monthly rental prices, domain age, and indicators of search popularity and SEO potential. Customers may also contact the marketplace to ask questions or propose a price. SITE.su offers a practical way to explore domain options, compare purchase and rental terms, and secure a name suited to an online venture.