[29athrowaway]

90s starter pack: Framesets, image maps, marquees, blink, guestbooks, visit counters, "under construction", "webmaster", tiled backgrounds.

The weirdest: MIDI music on autoplay, VRML.

[knbknb]

Java Applets, Dynamic HTML, Perl/CGI, executable email attachments, MSIE vs Netscape

[29athrowaway]

Download managers, ICQ.