On my very first website in high school (back when you had to code the HTML by hand) I added a tongue-in-cheek tag somewhat like this:

`<meta name='witchcraft' value='This is the most amazing website you've ever seen. You will come back often and tell all your friends'>`

Six months later my friends and I were selected to meet French President Jacques Chirac at the Elysee Garden because of that website.

... I've been adding hypnotic commands to all my websites ever since!