I am using xml site map generator (http://www.xml-sitemaps.com/) and I've encountered a weird problem. Certain urls the site map is giving to me includes www.facebook.com. Heres an example http://www.blahblah.com/products/pr...w.facebook.com/pages/blahblahcom/244802112375 which is the same page as http://www.blahblah.com/products/products_by_category/ So the sitemap has duplicate pages under different urls how can I stop this and why is it occuring anyone know? This is really working on my bladder coz the 500 page limit is being exceeded due to these duplicate pages.