> The safe thing to do is return a 404 with a few suggested links. The 404 communicates to search engines, archive.org, ect, that the link is broken. The huma

> The safe thing to do is return a 404 with a few suggested links. The 404 communicates to search engines, archive.org, ect, that the link is broken. The human-readable text on the 404 page can contain a link to the correct page. It could even contain a few paragraphs too. Should get close enough to your original idea without too many unintended consequences.