With an active VPN connection, data is routed through more servers than would be the case without a VPN. This can lead to a lower data transmission speed. However, the fee-based services usually solve this problem with fast server networks. In addition, the best VPN Apps 2021 can in principle read its own Internet traffic. So that your own surfing behavior is still incomprehensible, you should choose a provider who does not create log files or does not save your own surfing history. Users of VPN services should also be careful not to violate any applicable rules - this includes not only laws, but also the terms and conditions of streaming services or other websites. Because not everything that a VPN service technically enables is also allowed.