Digg recently made few changes to the site by adding nofollow to external links. They said before making this decision they reffered to many of SEO/SEM experts. They said that this step has been taken to reduce the effect of spamming, as many users does link spamming as a part of SEO activity for their aite. This may include all external links from comments, user profiles and story pages below a certain threshold of popularity.
It may effect SEO community as Digg is a major social bookmarking site which is used by every professional in the industry, it might be a loss to them.
Source url: http://blog.digg.com/?p=864
It may effect SEO community as Digg is a major social bookmarking site which is used by every professional in the industry, it might be a loss to them.
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