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10-04-2008
dofollow : tells search engine spiders to index the link and pass-on the PR juice to the targeted page. nofollow : directs the bots not to pass the PR to the target page. external nofollow : same as nofollow. except that it tells bots that the target link is an external link
(page not on the same domain). i don't think this extra word "external" would influence any rankings or whatsoever.
And they are not related to the incoming traffic (visitors) in any way. My periodic table contains only 1 element : the element of Surprise. |