Hacker News never rechecks a link. A story submitted in 2012 keeps its points, its comment thread and its URL forever. The site will happily send you to that URL in 2026 whether or not anything is still there. I wanted a base rate for that, specifically for HN rather than for the web in general, so I wrote a checker and pointed it at the archive. The numbers below are what it produced. What I measured Everything here comes from two official APIs. The tool reads hacker-news...