This method also works for Macintosh Garden and other HTML text based websites. This is a new feature of PPCMC's Web Interface, which allows you to download YouTube Videos in QuickTime 6 formats for any PPC Mac. To run PPCMC's Web Interface, you need a second Mac running Mac OS X 10.4-10.6 on the same local network as your OS 7/8/9 one. You can download PPCMC using the link below.
https://macintoshgarden.org/apps/ppc-media-center-7x-youtube-streamer-downloader-convertorThe attachments below show the entire process of reading Wikipedia's Netscape article, on Netscape 4.