Can someone critique my playing?

[Triferen]

https://www.youtube.com/watch?v=UNjZmZ0LR9w&feature=youtu.be

I would like for someone to rate my playing and give constructive criticism to help me improve.
I have been playing for only a few months now lol. I would like to get pretty good before Smash Bros 4 comes out
thanks all!

 

[ぱみゅ]

Please use the Marth "FAQ" Thread for this instead of making a new one c:
http://smashboards.com/threads/ask-a-quick-question-get-a-quick-answer-the-marth-faqs.188570/