That feature sounds amazing! I tried searching wayback etc but wasn't able to find any more details. Do you happen to know of any screenshots / deeper descriptions for it?
Perhaps we could nerd snipe Marginalia Search to add it :)
> Slumber is a terminal-based HTTP client, built for interacting with REST and other HTTP clients
I wonder what that means -- I looked around the docs but didn't see that it interacts with other clients. I thought maybe it would show a generated curl command or something along those lines. But perhaps it's just a typo for HTTP servers?
https://www.researchgate.net/figure/Alta-Vista-LiveTopic-Gra...
which has some different coverage.
I did try to archive the blog you linked but unfortunately the owner is blocking it with robots.txt
User-agent: ia_archiver Disallow: /