Er-mta.net/fnaf/scream
From Screamer Wiki
FNAF3 Scream is a website made by Gallardo994 on the Empire of Riders forum. When on the page it's Freddy Fazbear's power-out jumpscare from Five Nights at Freddy's. The jumpscare itself was coded with HTML5.
WARNING! Link below contains a screamer:
er-mta.net/fnaf/scream/