"About Web sites
Web sites are servers connected to the Internet. On Web sites, you can publish Web pages in a format called HTML (Hyper Text Markup Language). Anyone with a computer connected to the Internet can view Web pages using programs called a browsers, such as Microsoft Internet Explorer or AOL/Netscape Navigator. You can also use Web sites to send and receive email over the Internet."
It's just like the episode of 'Nanny And The Professor' where they find the radio is playing an old radio station, though Hal (?) debunks it by finding out that it is a station playing it as a 50th anniversary celebration, but then of course it carries on after it should have stopped.
Ah, The Great Broadcast of 1936 (Airdate 11/06/70) from the 2nd series.
(the real website I was looking for was less than useless anyway so this at least was amusing)