When a website doesn't even load, the question of whether it's trustworthy becomes academic. ordinary-peach-fesalaba-dpz491smbgta.edgeone.dev serves only a 404 error page. That means there's no product, no service, and no information to evaluate. For any site you intend to use, a dead end like this is a clear reason to look elsewhere.
Most legitimate sites — whether a small blog or a new business — at least have a homepage with some content. Here, there's nothing. The domain is a subdomain of a CDN provider, which could mean someone set it up for a project that never launched or forgot to renew it. Without an about page or any ownership details, you can't even guess what it was supposed to be.
If you came across this site through a link or ad, that's a bigger concern. Scams sometimes use empty domains to redirect or collect data later. But based on the evidence, this particular subdomain is simply inactive. Our advice: skip it and find a real working site that shows who they are and what they offer.