That article was enough to inspire me to write a K interpreter, and eventually land me a job working with K. If I ever meet Stephen Taylor in person I imagine it'll be an interesting story to tell.
That’s likely because yours was fast enough to threaten their sales, whereas RodgerTheGreat’s is JavaScript and can not.
Nick Nickolov’s one also disappeared off GitHub, though Kevin Lawler’s Kona k3 implementation and Andrey Zholos’s jitted weird dialect are fast and still up; also nils holm’s klong.
http://archive.vector.org.uk/art10501320 is one of my favorite articles, though