SITE.su is an online marketplace specializing in premium domain names, with a catalog of around 40,000 domains in the .ru, .su, and .рф zones. It helps businesses, entrepreneurs, and online project owners find memorable names suited to their brands and audiences. Customers can purchase a domain instantly or rent it, with rental arrangements offering a guaranteed option to buy. Purchases are completed online with immediate domain transfer, while renting involves assigning the customer’s DNS servers.

The marketplace provides search tools for finding domains by word, topic, related terms, translation, or transliteration. Visitors can browse the full catalog, use advanced search filters, and download a complete domain list with available metrics. Listings show information such as prices, age, and selected search or ranking indicators. For domains that attract interest, customers can submit a question or propose a price through the site. SITE.su also offers help and online chat for customer inquiries, supporting buyers and renters as they compare available names and choose an arrangement that fits their project.