I just got the best idea ever.
In my side job, I have to manage a lot of PCs, and when an error comes up, I need to look it up online. By default, DuckDuckGo comes with a bunch of settings I don't like. So I redirected a subdomain of mine to the DuckDuckGo bookmarklet: when I go to ddg.kytta.dev, it redirects me to the search page set up in the way I like it.
All it takes is a very minimal Vercel config: https://github.com/kytta/ddg/blob/main/vercel.json