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Do you honestly want a yes/no answer Igor, if you don't - you might want to pose the question in your header in a more open way.

Perhaps you should go to an open mic and see what comedy they are using? (Not exactly copy it you understand...)

Just do it.

You sound quite a young man so one can forgive a little dampness behind the old ears. What?

So, young fella me lad, take heed; being funny is something you learn, you aren't just born a clown, what!?

And if you would choose to go on stage and tell your - I believe they are called - funnies, who is to stop you. And should no one laugh, then this is where you can learn.

What? What! What%

Go for it!
but next time you want feed back video your act and post it,
I should imagine its very different on video to it is on paper.
stop thinking about it, get up on stage, and if you die, practice a bit more and get up there again!