I think one of the biggest constraints is not directly visible to users, but its effects are: HN is built in Arc, a small LISP dialect that for a long time didn

I think one of the biggest constraints is not directly visible to users, but its effects are: HN is built in Arc, a small LISP dialect that for a long time didn't have great performance. Some info here: https://lisp-journey.gitlab.io/blog/hacker-news-now-runs-on-top-of-common-lisp/ https://lisp-journey.gitlab.io/blog/hacker-news-now-runs-on-...