The text notes and tags that people attach to your site while saving it on del.icio.us gives a fairly good idea about what they think of your blog.
And tracking this information is again very simple. Visit delicious.com/url and type the URL of your blog.
The page has a list of all delicious users who have bookmarked you, what tags they used to describe your site and user notes, if any.
At the bottom, you will see an Orange RSS icon - add it to your RSS reader and whenever people add you to their delicious favorites, the RSS reader will notify you.
Alternatively, you can subscribe to the following URL in any newsreader like Google Reader or Bloglines. [replace xyz.com with your blog URL]