I would say by practicing and testing of your ads.
First of all your ads should contain some form of tracking or key code for proper testing.
Start with changing your ad head until you see your hits get better or worse,
as soon as your hits start to fall go back to previous good ad head and work again from there. Sometimes by just moving your words around a bit make huge differences.
When you are satisfied with the hits you get, start playing with the description and follow the same path as with the ad head.
Soon you will see what changes affect your hits the most and you can build further on what works and what not. If you get a lot of hits but few conversions you know that you get their attention but not yet convincing enough to get them to action.
I would say by practicing and testing of your ads.
First of all your ads should contain some form of tracking or key code for proper testing.
Start with changing your ad head until you see your hits get better or worse,
as soon as your hits start to fall go back to previous good ad head and work again from there. Sometimes by just moving your words around a bit make huge differences.
When you are satisfied with the hits you get, start playing with ...more