420yolo.com
From Screamer Wiki
420yolo.com is, yes, of course, is a jump scare of Jeff the Killer.
But this isn't the end. This website will redirect you to this website randomly while searching on the web. It gives you unwanted ads. So for a long story short, it will give you malware. DO NOT GO ON THIS WEBSITE, FLASHING IMAGES, SCARY, AND MALWARE.