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I had a manual penalty on one product page.
I searched and searched and I found a lot of .ru domains linking.
The problem was that the site is huge and I have a tens of thousands pages! It's a needle in a haystack, so I've removed the page 410 gone error.
I give up! :@
btw, that to do with *.blogspot.com/ru/fr/br/etc domains?
The same blog has automaticly/infinite TLDs! :@
Following the detailed mea culpa the founders included a list of four steps the search engine required they take in order to receive forgiveness:
Download a list of links to your site from Webmaster Tools.
Check this list for any links that violate our guidelines on linking.
For any links that violate our guidelines, contact the webmaster of that site and ask that they either remove the links or prevent them from passing PageRank, such as by adding a rel="nofollow" attribute.
Use the Disavow links tool in Webmaster Tools to disavow any links you were unable to get removed.
It turns out there were 178,000 suspect URLs, but with 100 workers scraping URLs the task was completed in 15 minutes, according to the post.
The tool on webmasterworld where you can upload your links and it separates and controls them, removed duplicates and makes it very easy to manually check the links and create a disavow file. Watch the videos how it works, it's really nice.
Some of us don't have 100 works working 8 hours a day to review 178k links. I've been seriously hurt by spammers. I have disavowed about 500 domains, but I'm sure that isn't all.