That is sweet, I love this website
https://www.youtube.com/watch?v=tFhn3IO23lE&t=273s&pp=ygUJZ251IHRhbGVy
&t=273s means 273 seconds, removing that should start the video from the beginning
https://www.youtube.com/watch?v=tFhn3IO23lE&pp=ygUJZ251IHRhbGVy
That is sweet, I love this website