Why track your competitors? Imagine you discover that your leading competitor is getting 80% of their traffic from one source that costs a measly hundred dollars a month – wouldn’t you want to know about it?
Frankly, knowing how your competition is doing what they’re doing gives you an almost unfair advantage – unless of course they’re tracking you, in which case you need to track them to simply even the playing field.
http://technology.inc.com/2008/09/01/six-ways-to-track-your-competitors-online/
Once resource I see they left out of the article: SpyFu. Use it to research your competitor’s keywords and Adwords.
Until next time. . .
Just take action.