ScottGames is Scott Cawthon's main website. He teased all the FNaF games, including FNaF World for a bit before making fnaf world.com.
Scott Cawthon used to put up information for many of his games (Like The Pilgrim's Progress), but starting from the FNAF 2 teasers, he has put up teasers for FNAF related content ever since.
FNaF 2 Teasers
Withered Bonnie and Toy Bonnie
Withered Foxy and Funtime Foxy/Mangle
Withered Foxy in the Hallway
FNaF 3 Teasers
Springtrap and the box of Animatronic's Parts
Possibly an older springtrap model
Phantom Foxy and Phantom Chica
FNaF 4 Teasers
Nightmare Freddy & Freddles
Nightmare Chica & Nightmare Cupcake
Nightmare Fredbear/Nightmare (Animatronic)
FNaF: Sister Location Teasers
There was never just one.
Everyone stay in your seats.
There's a little of me in every body.
Don't hold it against us.
Get back on your stage. NOW.
Step Away from the Glass.
Map of Afton Robotics Incorporated
it seems to be freddy juggling pizza!
This is a teaser for FNAF 6 Pizza Simulator!