Analyzing your competitors' blogs isn't so easy, but it is important. Proper competitive analysis can lead to new content ideas, better outreach, better guest posting opportunities, insights on marketing, and other helpful data that can improve your marketing ROI. In short, if you’re not analyzing your competitors’ websites, you're missing out.
for more about competitor analysis,please read the article
http://www.seomoz.org/ugc/competitive-r ... tors-sites