And, for reference, one of the historical encyclopedias of knots is the ABOK.

https://archive.org/details/TheAshleyBookOfKnots

What's missing from linear serialization of a book format like ABOK and this website is metadata tags that indicate each knot's attribute(s), i.e., bight, open, slip, etc. and an ability to browse and filter by such tag(s).

The best part of stumbling upon niche subjects is learning about their mythology. The name Clifford W. Ashley meant nothing to me five minutes ago, but now I'm in awe at the fact his work from over 80 years ago is still the authoritative source on the subject.