Packet loss is dropped packets; even small loss can harm video calls, streaming stability, and competitive gameplay. Remember that privacy is layered—pair VPN use with browser hygiene (separate profiles, limited extensions, and updated software). If a feature sounds vague in marketing, look for measurable signals: audits, documentation, and testable settings. Elite VPN setups focus on reliability: stable reconnects, clean DNS handling, and a proven kill- switch behavior. VPN Surf and Elite VPN guidance aims to keep the concept actionable, not just theoretical.