Robin Good: Google is about to release globally and for all languages a new algorithm change that will significantly penalize web sites utilizing "black hat"
SEO techniques, to rank inside Google search engine result pages.
From the article: "In the next few days, Google will be launching an important algorithm change targeted at webspam.
The change will decrease rankings for sites that are violating Google’s existing quality guidelines.
This algorithm represents another improvement in Google efforts to reduce webspam and promote high quality content.
Sites affected by this change might not be easily recognizable as spamming without deep analysis or expertise, but the common thread is that these sites are doing much more than white hat SEO; we believe they are engaging in webspam tactics to manipulate search engine rankings.
The change will go live for all languages at the same time.
For context, the initial Panda change affected about 12% of queries to a significant degree; this algorithm affects about 3.1% of queries in English to a degree that a regular user might notice. The change affects roughly 3% of queries in languages such as German, Chinese, and Arabic, but the impact is higher in more heavily-spammed languages. For example, 5% of Polish queries change to a degree that a regular user might notice."
Read the full article: http://insidesearch.blogspot.it/2012/04/another-step-to-reward-high-quality.html