How it would work

This is the whole design, written down so I do not have to reconstruct it from memory. Nothing on this host performs the steps. There is no paste field and no continue button wired to anywhere.

1. I receive a link that does not show a hostname I recognise — a shortener, a redirector, a preview card with a cropped URL.
2. Instead of opening it immediately, I would drop the address into a page that I run for myself.
3. The page would print the scheme and host in a large, boring typeface. Path and query would sit underneath in smaller type, still readable, not hidden behind a pretty label.
4. If the host looks like the place I meant to go, I would press continue. If it does not, I would close the tab.
5. The continue step would be an ordinary navigation to that destination. No rewriting of the URL, no “smart” replacement, no loading the remote page inside this site.

What I refused to add

Screenshots of the remote site. Third-party “safety scores”. Automatic fetching of the destination. Those extras either leak the URL to someone else or turn this hostname into a preview farm. A pause with the host printed clearly was the entire point.

Why the public instance stayed off

A box on the internet that accepts arbitrary URLs is a chore. I do not want to classify other people’s destinations, and I do not want this name associated with a pile of junk. So the walkthrough stays as HTML, and the form never shipped.

If you are reading this because the domain resolved, that is all it does in public: serve these files. The closed notice on the home page is literal.