Here's a shocker: Wikipedia isn't the only major site that uses "nofollow" on outgoing user-generated links; YouTube does it too. I looked at the source code on
, YouTube will automatically turn it into a link, and won't slap on a nofollow tag. Take advantage of this loophole, and be sure to link to your blog post when posting a video.
Google should be concerned about this, since sites that make heavy use of nofollow can skew the accuracy of search results. The technology behind Google is built on a certain philosophy, one that breaks down if one of the top ten sites on the internet does not follow. YouTube's use of nofollow, by itself, is mostly harmless, but as a Google property, it sends a bad message on misuse of nofollow, and is an example Wikipedia can point to for its more complicated policy decision.
Eventually, nofollow, if used significantly by major sites, <a href=)
could break down the accuracy of Google and other search engines, forcing us to find a new method of determining search relevancy. Every legitimate link that gets a nofollow tilts the balance in the spammers favor by one more link. Big websites should only use it when absolutely necessary, and websites owned by search engines should be much smarter than this.
Oh, and Yahoo's del.icio.us does it, too.
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