A BACKLINK NOT INDEXED IS SIMPLY A WASTE!
As a Webmaster, part of Your daily job is building backlinks to Your sites. You literally create thousands of Profile Links, Wiki Links, Social Bookmarks, Article Links, Forum Links, Blog Comments, Web 2.0 Properties and etc.. Well, We can only tell You if all those don’t get indexed they are simply one big waste! Many webmasters throw their efforts and more importantly money purchasing backlinks. What they do not realise is that they need these backlinks get indexed to benefit for the rankings of their sites!