Recently someone suggested http://www.linkvendor.com/seo-tools/domain-popularity.html as a method of checking backlinks. Is there a free or commercially available script that I can use on my site to allow my traffic to check backlinks and pr?
iWebtool allows you to put one on your site for free but the only disadvantage is that you have to link to them. You can find it here: http://www.iwebtool.com/backlink_checker