Rather than being an algorithm change, it seems to be a process that Google runs only occasionally, which labels entire sites (rather than individual pages) as low quality. Sites with that label are penalized in search results.
It affected many sites, including those that aren't content farms (mine included,) in what many webmasters believe is collateral damage.
Rather than being an algorithm change, it seems to be a process that Google runs only occasionally, which labels entire sites (rather than individual pages) as low quality. Sites with that label are penalized in search results.
It affected many sites, including those that aren't content farms (mine included,) in what many webmasters believe is collateral damage.