So what could I do to improve.

So I've noticed I usaly get a lot of kills or get shut down in most my games (please ignore my custom games) and I'm very dumbfounded on what I need to do is there a certain jg path I need to take be more careful during ganks? All help is very much helpfull to me even the small stuff P.S. I main jg if you couldn't tell. Thank you! :)