http://sizeofaex6zgovemvemn2g3jfmgujievmxxxbcgnbrnmgcjcjpiiprqd.onion
Check it out yourself, click on another web browser tab, and then click back to this one. Interesting, eh? Annoying, eh? Can’t decide? Well, it’s quite simple. Start by adding a link element to your page’s head and set its href attribute to an existing favicon in PNG format.