One weird website isn’t enough, so here are some more that I made.
Recursion: Recursion
Unicode Visualizer: Almost all of Unicode on one page (may crash your browser)
69!=: Cursed self-modifying JavaScript
HELP I’M TRAPPED IN A CSS FACTORY: CSS experiments
Dumb Physics Engine: A dumb physics engine written in JavaScript
Hex Color Clock: Displays the time as a color
blank: 2024 April Fools’ Day puzzle