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I visit the URL in the log and it brings me to a totally pornographic page with absolutely no links to my site. I have however found a few of these pages cached in Google, and they start out linking to a bunch of legitimate sites, then throw up porn once the pages get indexed.
What is the purpose of this, and what benefit can come of it for the publisher.
How can I block referrals from these domains? Will receiving referrals from domains of this nature cause G to assume my site is somehow related?
What is the purpose of this?
How can I block referrals from these domains?
You could used the http referrer string to block visitors. However there's not much point - the visitors that actually get referred must be seeing the original page, rather than the changed (pornographic) one.
Will receiving referrals from domains of this nature cause G to assume my site is somehow related?
In theory, no. In theory, google won't ever penalise your site for things other webmasters can do.
You could try filing a spam report:
In general, there's not much you can do to prevent someone linking to you, however undesirable an association might be.
I doubt we get penalised for them, though after reading some of the stuff on WebmasterWorld you have to wonder...
This is why you should *never* publish referrer stats in a search engine bot visible location.
Just make sure your visitor stats numbers are NOT online.
(I'm amazed at the number of sites that put them up for all to see.)
Evo is right. The porn / drug and other black hat sites just want free links.
Keep that stuff private, and their plan is foiled. A few extra lines in your access log files
is a minor annoyance at most. I wouldn't try to ban them, there are too many different ones. -Larry
It may be that those links from adult sites never actually existed, but were faked into the referrer string as an SEO technique.
Yeah, man. The links don't exist. They might have used that technique or others. It's just spam intentionally planted in your logfiles. At any rate, they aren't links.
I was away from WW for a while, and I can't believe how many people are suddenly flipping out about common logspam. Look folks (in this thread and a whole bunch of others), when your site went missing, it had nothing to do with the logspam - you got nailed in an algo change.