Ross Dunn has a good article on Demystifying Your Competitor’s Ranking Success which gives you some hints to analyzing other blogs and websites in your niche – particularly those who rank well in search engines. He uses a hypothetical example as he outlines the areas to analyze.
It gives you a number of suggestions on what you can look at in terms of how they are ranking highly. Of course in doing so Ross runs you through some of the basics of SEO.
found via Andy Wibbels