This is crazy - was just browsing through the site a bit last week. I just finished a project[1] partially inspired by YMNTD and spent some time... getting inspired. A lot of the pages didn’t seem to have working audio - perhaps modern browsers don’t allow what YMNTD required. (It seems that gifsound.com has also had to adapt over time - you have to click a few times to get it to play, to work around autoplay restrictions.) I didn’t check, but I imagine the site didn’t work at all on iOS.

[1] https://www.kickscondor.com/slaptrash/