Google is really stepping up their transparency about sites spamming them.

A Google Webmaster Help thread has a site owner upset his site no longer ranks for [maternity jeans] in Google.

Google’s John Mueller came in and responded that the reason is they have been link spamming the site to try to rank for that term. John even added there is someone out there leaving blog spam on sites pointing keyword rich links to your site.

John said, there is “blog comments left by someone called “Maternity Jeans.”

Here is John’s full response:

So now the site owner goes through the link removal/disavow process.

Forum discussion at Google Webmaster Help.