What’s rel=”nofollow”?

By default, whenever anyone comments on your blog WordPress will add rel=”nofollow” in the link. I didn’t realize this was something that WordPress actually did… but I was curious why anyone would utilize it. Google actually utilizes rel=”nofollow” to simply ignore a link when calculating a website’s Pagerank. The theory behind automatically adding this information in blogging content engines was that it would dissuade comment spammers from clogging up blogs. The problem is that comment