Wikipedia institutes nofollow tag for all external links
It was announced earlier this week that Wikipedia has put in place the nofollow tag for all external links in the Wikipedia web site. We did a quick check and yes, the announcement appears to be implemented. Apparantly it was done to combat black hat SEOs who were spamming the directory in order to boost link popularity by placing a link to their web site in related articles on Wikipedia. Bottom line, Wikipedia articles will no longer affect the number of backlinks to your web site and thus will not help you in the ongoing struggle of web site search engine rankings.
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