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Ugh, stop twitching
undermining referrer spam
goombas.org Posted 2005-02-04 17:07:32 by Jim Crawford
Thanks to this slashdot post for informing me of the feature Google has implemented to deal with problems like referrer spam. Specifically, if you you add the attribute rel="nofollow" to a link, Google will not count the link when calculating PageRank for a given page. I've implemented this, so rest assured that the planted entries in the recent referrers list are not getting their perpetrators the google juice they desire.

If it becomes enough of a problem, I'll do this for comment links too, but I don't expect it to be necessary any time soon.

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comments
seo
Posted by AdamMil on 2005-02-28 22:55:10
It's also being put to an interesting and devious SEO usage. People are now trading two-way links, but putting rel="nofollow" on the link to their links page, in effect cheating the trading partner out of his "google juice".

Pretty sneaky, but what to expect when you're dealing with a generally sleazy crowd? :-)

I wonder how long it'll be before they start adding that attribute dynamically when the user agent indicates Googlebot. Hopefully they'll all cancel each other out.
re: seo
Posted by Jim Crawford on 2005-03-01 23:08:07
 People are now trading two-way links, but putting rel="nofollow" on the link to their links page, in effect cheating the trading partner out of his "google juice".


I'm not sure why they'd do that. How does it benefit them? Are they trading links with their competitors?

 I wonder how long it'll be before they start adding that attribute dynamically when the user agent indicates Googlebot.


I wonder whether that would violate Google's TOS...
re: seo
Posted by AdamMil on 2005-04-22 22:30:32
 I'm not sure why they'd do that. How does it benefit them?


Well, Google values one-way links a fair bit higher than two-way links...
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