Since yahoo site explorer is now dead I have been looking for alternative ways to profile backlinks.

to check your own backlinks and the backlinks of your competitors

http://blekko.com search for “yoursite.com /seo” note the space between yoursite.com and /seo
http://blekko.com search for “yoursite.com /domainlinks” note the space between yoursite.com and /domainlinks
http://www.opensiteexplorer.org/