https://balloontothemoon.itch.io/balloon-to-the-moon

For some odd reason my trailer is blurry and then it sorts itself out.  I've previewed the youtube video from a number of devices and it isn't blurry, just from your link.  Any idea?

I apologize, It was because I was using default bitrate for viewing videos through youtube, nothing wrong on your end.  Hope this helps someone who had the same problem.