Google Panda Update is Coming In Upcoming Weeks
 

Google's Gary Illyes says, "We can expect Google's Panda update in upcoming weeks."

Any websites that have made spammy (low-quality, duplicate, or thin content, among other things) changes since the last refresh will probably be penalized by this algorithm.

Google Panda is a change to Google's search results ranking algorithm that was first released in February 2011. The change aimed to lower the rank of "low-quality sites" or "thin sites", and return higher-quality sites near the top of the search results.

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Quality backlinks get from
1)web 2.o sites
2)forum postings
3)social media promotion
4)video link promotion

Great article.