This is a informative article from Bill Hess at PixelPrivacy.com written with the “home user” in mind who has some technical prowess.
The article covers the following:
How to Read Wi-Fi Diagnostics
How to Find the Best Wi-Fi Channel on Mac
How to Find the Best Wi-Fi Channel on Windows
How to Find the Best Wi-Fi Channel With Linux Command Line
How to Find the Best Wi-Fi Channel on Android
How to Find the Best Wi-Fi Channel on iPhone