Digg reported that nofollow tag will be added to some links, “We’ve made a few changes to the way Digg links to external sites that may impact some folks in the SEO community… We’ve added rel=”nofollow” to any external link that we’re not sure we can vouch for. This includes all external links from comments, user profiles and story pages below a certain threshold of popularity” stated on Digg blog. Clear decision made to reduce spam and unwanted links from some SEO’s. It is not a secret that some people don’t really care about news distribution and appearance on frontpage, many webmasters see Digg as a place to get powerfullink and improve search engine rankings.

 For many years Digg was trying to avoid rel=”nofollow” tags hoping that community will bury spam submissions naturally, as we can see it didn’t work really well. Some “smart” SEO’s used to create multiple profiles from different ip and vote for their own submission, some of them even created communities to exchange Diggs.
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