Ah yes, the <BLINK><MARQUEE><H1> to tell everyone the website made in notepad in 1997 was still under construction in bold, Comic Sans, and fuchsia on a yellow background. Don't forget the lots of NBSPs so that the message scrolls off for even a longer period of time and the reader has to wait for their computer to shift the message back into the viewport.
What's missing about the retro experience is browsers and computers were slower back that then, so large marquees would blink and scroll with visible tearing.[0]