[Adding onto mech's]
But also consider the crit from the small minority of people who do know what they're talking about, and try not to be overly defensive as the line between the 2 can easily become blurred and someone who does have the best intentions at heart might get confused with a trolling ignant. Just take every crit form every point of view and actually take the time to revise what they're saying, don't automatically dismiss it.