A friend asked me to help test an app’s U.S. login experience, so I used proxy server USA https://proxyline.net/en/proksi-dlja-ssha/ and it worked perfectly for the simulation. I was able to register, log in, and interact with the app exactly like a U.S. user would. Everything responded fast, with no lag or mismatches in content. It helped us uncover a few small issues that needed fixing, which was super useful for the project. Honestly, the whole test felt effortless thanks to the reliable connection.