@Kevin_Z The feature says "Block all websites that contain a specific keyword." Note that it doesn't say "URL" or "hostname". Hence, specifying just "youtube" should cove all extra examples you have...

@Sacheen Nope, none of it works. Router: Firmware Version: 1.3.1 Build 20220401 Rel. 57404(4555) Hardware Version: Archer AX10 v1.20 Now is 7 PM and absolutely no restriction is on youtube (or ANY...