It is common to notice some reduction in internet speed while connected to a VPN, and understanding why can help set realistic expectations. Encryption and decryption require processing time, and routing traffic through an additional server inherently adds distance and latency compared to a direct connection.
Server location plays a significant role in speed. Connecting to a server that is geographically closer to you generally results in lower latency than connecting to one on another continent. Server load also matters, since an overcrowded server has to share its bandwidth among more simultaneous users.
The choice of protocol makes a measurable difference as well. Lighter, modern protocols such as WireGuard tend to introduce less overhead than older alternatives, often resulting in noticeably better throughput under similar conditions.
If speed is a priority, testing multiple server locations and protocols within your chosen VPN app, and comparing results, is one of the most effective ways to find the best balance between performance and protection.
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