I found a website today that rates the content of your blog with the same rating system that movies use. I entered my blog and it returned a rating of PG. I was quite disappointed. My guess is that they missed this post entirely.
P.S. - If you want to post the image above on your blog, it comes with a stupid little ad for the dating site the blog rater is hosted on. You'll just have to go in and edit the HTML to take it out. Just delete everything after the first "