SITE.su is an online marketplace for premium domain names, offering customers a broad selection of keyword-based domains and websites in the .ru, .su, and .рф zones. The store lists around 39,000 to more than 40,000 domains, with options to purchase or rent names directly online. Buyers can complete eligible purchases with immediate domain transfer, while rentals are arranged by assigning the customer’s DNS servers. The service also offers rental agreements with a guaranteed right to buy, giving customers flexibility as they develop a project.

Visitors can browse the full domain catalogue, download a spreadsheet of listings, or use advanced search to find names by keyword or other parameters. Listings show purchase and monthly rental prices, and some include age, rating, and search-statistics information. Customers can add a domain to a purchase or rental cart, sign in or register, and contact the store through its help section or online chat. For individual listings, SITE.su also invites questions and price offers, with contact details required for inquiries.