Create a php/JS script that hides referrers URL on separate Domain with Countdown

I’ve seen a few great Q&A’s on a summary of the JavaScript I think I would need, but I am wanting a php/JS s ript that will run on its own domain/url so any link I click on any of my websites goes to this domain eg.
www.url.us/?r4nd0m and can also put in the actual domain www.url.us/?google.com as this will act as a buffer between the TARGET URL so the target domain doesn’t know the a href link that’s being clicked.
I’ve seen something like this and it has a countdown that can be changed in the code eg. 10sec or 60sec etc

I know a short url service could accommodate this in a sense, but I don’t want the target to know it came from a short url service either, I want it to specifically show this domain (if any = if possible)

I know good way to get a random or alias after the www.url.us/?chosenAlias or www.url.us/?r4nd0m is to have a text area on the url.us/index.php where you can enter the target domain, and have a drop down to select random or alias from similar shorten url services that have this (won’t put any urls as when I replied to a Q&A that was to do with this subject, being new, and niave my Question got removed right away, and it was a great thread, as alot of the JavaScript and php/mysqli was being worked on, though was for putting into the originating domain), I think it’s easy just having a domain name dedicated to this function IMHO

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