If you want to learn about defense strategy of Clash of clan, you need to look to following points.
You don’t need to worry about you buildings they would come back.
You don’t need to worry about losing any structure – only gold and elixir.
You have been attacked when you login to the game but in 20 second your buildings will be powered back.
Just careful about gold and elixir.
You can see a highlighted area near your village and cannot be attacked within that area.
You should not leave any holes by placing structure at wrong place.
Edge of screen
You need to defend from all directions and save yourself.
If you think you would save by building your village at edge of screen then you cannot save yourself from enemy.
You need to look closely about clash of clans Edge of screen strategy.
Weapons and buildings
You need to get all type weapons for ground or air attacks.
You need to build village close together for maximum protection.
Important about Town Hal
Town hall is important part of Clash of Clans Defense Strategy.
If you are not pro player , you don’t have any concern with trophies but you are interested in farming gold and elixir.
You can give a chance to attackers by placing town hall outside. They would destroy it and get a victory and you would save your gold and elixir.
Place storage, mines and pumps outside the wall. Your enemy would destroy it and you’ll get longer shield.
Training the army
You need to fill your army camps with attacking army before you logout