Even though you are just beginning, you need to know what is appropriate to try and what you should not even think about. There are things that you need to know before you even start to play free blackjack online. Whatever you do on the trial is what you would need to perfect on the actual table and so it would help a lot when you try to understand what is expected from you and you do it just right.
You would need to be careful that you never make any insurance bets. Even though you are just starting to learn, this is one rule that should always remain clear in your mind. You would be used to this orientation and so you would not make a mistake even when you are playing the real game.
The other thing you need to know before you start is that you should never split 10 value cards. This is a good value to have at hand and it would boost your chances of beating the dealer. You should learn how to play blackjack and get to understand the best point at which you may need to surrender on a game.
Yes, the online trial experience is very important and you would be able to make great differences when you know how you would go about the game. It is a free school to try the games online and master the tricks.