Several headline styles work well on the Web, but they need to be relevant for optimal impact.
Here are some types of headlines that can be especially effective on the Web:
Stop throwing away your money with credit cards
Increase your profits by up to 20%
Did You Know Headline
Did you know .pro domains are now available?
How to Headline
How to revive your marriage
Is your website working for you?
Standard News Headline
(New product) gets top marks in U.S. study
Top # List
Top 10 reasons to switch to Mac
To learn more about headlines, you can check out: Writing Website Headlines that Connect.