I went to the other link you sent and hovered over the YT link as I don't like clicking things going to YT. I have other sites for that, namely invidious. On the bottom left, you can see the entire url.

Also to note, all the letters and numbers you see in any YT link seems to be 11 characters.

I went to the other link you sent and hovered over the YT link as I don't like clicking things going to YT. I have other sites for that, namely invidious. On the bottom left, you can see the entire url.