There is no best opening. Even a bad opening according to the computer can surprise and confuse an unprepared player. The Dutch opening, for example, has been almost thoroughly refuted by computers, but is a dangerous weapon against humans because they don’t understand the dangers it poses. Ginger GM plays it regularly and destroys people with it because he knows it and opponents don’t.
Your only task in the opening is to reach a middle-game position in which you feel comfortable and confident. Any sequence of moves that gets you there is a "best" opening.
What are some of The best openings you play?