Not only does this method potentially enhance your Wi-Fi speed, but it can also improve security by limiting the reach of your signal, making it harder for hackers to access your network. While results may vary based on your home environment and internet plan, this cost-effective trick is worth trying before investing in more expensive solutions like Wi-Fi extenders.

In conclusion, using aluminum foil behind your router is a simple, inexpensive way to potentially boost your Wi-Fi signal and enhance your network’s security. Give it a shot and see if it makes a difference in your home!