The Google Analytics Benchmarking Report allows you to compare your website to other's in your niche anonymously. Don’t worry; Google removes all identifying information before releasing your statistics to others.
To access the Benchmarking report, you click View Reports to get to your main dashboard.
From there click Visitors on the left side, and then click Benchmarking. You’ll see a screen that looks something like this:

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The Benchmarking feature was added to Google Analytics in March 2008. It's very' useful in helping you compare your site to your competitors, as it will help put thing in perspective.But remember, all websites are different, and certain elements in the code may change the way search engines view the site.So, you should not get too disappointed if the site comparison is not in your favor.
Benchmarking will show you six different statistics.