“On Friday last week, we started rolling out a Penguin refresh affecting fewer than 1% of queries in US English search results. This refresh helps sites that have already cleaned up the webspam signals discovered in the previous Penguin iteration, and demotes sites with newly-discovered spam.
It’s a slow worldwide rollout, so you may notice it settling down over the next few weeks.”
Google’s Penguin update targets websites with too many low quality links. The link disinfection tool in SEOprofiler helps you to remove bad links that point to your site.
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