@digitalcourage Digitalcourage e.V.: Some internet users cannot open the link you shared.
Why not suggest alternative link next time? So my friend can read the webpage

Alternative:
https://web.archive.org/web/https://www.explainxkcd.com/wiki/index.php/footnote#Current_footnote

Cloudflare domain: explainxkcd.com
Why: https://codeberg.org/themusicgod1/cloudflare-tor