because according to the laws of flipanim drawing colored animations can cause a slight lag on the page and it makes the animation look like its at a normal place but the lag slows it down so when trying to download the gif you can see that it is faster, but actually it is the normal pace. So hypothesis is to always check. Hope my very mathematical valuable information was a helpful tip for you and you're 2D flipanim animation website needs.

Love it

Whoa this effect is sick!