vapor.js
The World's Smallest & Fastest JavaScript Library
...The repository includes files and packaging artifacts, but the actual concept is intentionally empty. It can be “used” by including an empty script tag or omitting the script entirely. The project became a humorous reference point in the JavaScript community because it satirizes exaggerated performance claims and framework minimalism. It is useful mainly as developer humor, historical internet culture, and a playful reminder that sometimes the fastest dependency is no dependency.