I don't believe that FR is a conservative Catholic site. I don't recall that any denominational affiliation has ever been given. Intentionally so, if my guess is right.
Pinging JR just to clear it up.
Check out the religious section of FR. Look at the thread titles. If a non-Catholic should post to one of the rare non-Catholic threads, the “all you non-Catholic Christians bow down to the Pope and Mary,” and “the RCC is the only true church,” etc., comes barging in.