On Youtube, right-click on its search field, choose "create search engine", name it what you want (or leave it at youtube.com for the name, set its keyword to youtube.com, and click "create". Then try it.
I personally like to have the keyword be yt so that I can type yt cats in the in the address field.
@burnout426 Because I support it in Chrome. I misunderstood.
I'll give a suggestion to `Chromium' Thank you.
And I already blocked 1900 udp inside windows.
But the Opera browser is still sending a signal to 1900.