I've seen that previously on https://curiosity-driven.org/ (the main page is a feed file) but I'm not sure if XSLT support won't get deprecated and/or removed in browsers (since it's quite an old tech).
I don't count how many times I've seen people attempting to create simple reports from some XML taken from some obscure back office and try to reinvent the wheel by doing some JSON conversion and process that from some other program that build up an html report