Published Oct 27, 2026, 1:00 PM EDT

João has been covering the tech world for over 7 years, with a heavy focus on laptops and the Windows ecosystem. I also love all things tech and videogames, especially Nintendo, which he's always happy to talk about.

Prior to joining XDA in 2021, he worked at Neowin: https://www.neowin.net/news/poster/jo%C3%A3o-carrasqueira/

Everyone loves faster internet speeds , and sometimes, it can lead us to try some fascinating tricks that may or may not have any basis in reality. One I've been hearing about recently is the idea that putting aluminum foil behind your router can improve your internet speeds, and of course, I needed to put this to the test.

The results were frankly surprising. I didn't really think it could make a noticeable difference, but lo and behold, my internet speeds actually improved somewhat. Is it enough to keep an ugly sheet of aluminum behind my router at all times?…