Lalicat stores each seller account inside a self-contained browser profile that holds its own cookies, local storage, and fingerprint stack. Connecting a residential proxy to a profile takes three steps: navigate to the profile settings, select Proxy Configuration, and paste the credentials provided by your proxy vendor. Lalicat supports HTTP, HTTPS, SOCKS4, and SOCKS5 protocols, so it works with every mainstream residential provider. For e-commerce operations where account age and session history matter, sticky-session residential IPs are essential - they bind the same IP to a profile for hours or days, making the browsing pattern appear consistent to marketplace fraud-detection engines. Once a proxy is assigned, Lalicat performs an automatic IP leak test and displays geolocation data, timezone offset, and WebRTC status to confirm that no identifying information escapes the profile boundary before you log in to a storefront.