I love this kind of internet archaeology. It's crazy to think how many sites like this have just been sitting untouched for years. What else is out there?
One example is Internet Related Technologies which was reporting on new web standards during 1998-2001, last updated in 2001 and still online for all that time: https://wmw.thran.uk/dowdy/2.html#irt
From IRT we have why use CSS, in case anyone still needs convinced: https://irt.org/articles/js135/