Well, there's technically two easter eggs if you count the "hidden" anti-copy PSA.
If you want people to put your button on their site, just ask them to copy the code from here: https://pastebin.com/raw/SsRmde0u
OH MY GOSH. YAY!!! I FOUND SOMEONE WHO LIKES IT TOO! OH MY GOSH IM SO HAPPY!!
https://wirescarryingme.neocities.org/mybutton.png I have a button! Its at the very bottom of my page lol.
Paste all of the code listed here at the bottom of your page :D! https://pastebin.com/gYBtGgEL