Blogcopy.com - Blogger's secret tool

You have always wanted to receive valuable feedback on your blog's content? With Blog Cop​y​ you can do that. This is how it works:
Visitors read your posts. They copy what they find relevant to their search. You find out instantly what exactly they copied from your blog. That is valuable feedback on your content. Use it to understand which keywords attract more users, but especially to eliminate what hasn't raised anyone's attention.

I have personally tried blogcopy.com and with it I have generate more visits and page views just by taking a look at what exactly people copied from my blog. I also improved my search engine ranking.