I'll give you some handy tips.
First of all, that intro is waaaaaaay too long. 9 - 10 seconds is far too much. Check out a lot of big youtubers. Most of the intros are 2-3 seconds at max.
A lot of of the intro also seems unnecessary. After the shaking at the start, the word just kinda clips back into place and looks very odd. Perhaps make the text smaller so that when it's shaking it goes back into place nicely. The lightning looks kinda odd. Finally the text flip is just a bit much in my opinion.
But don't let this feedback get you down. see it as the opposite. Also remembe most of these are all just opinion too ^^
I look forward to seeing more from you