This website is at least 25 years old. It uses one of the pre-canned templates from FrontPage 2000. Cut 'em a little slack. :-)
This was obviously someone's research project, and some of the papers have example code in them, e.g. see https://www.cs.cornell.edu/talc/papers/talx86-wcsss.pdf.
> This website is at least 25 years old.
That would explain why it only supports IA32.