In February 24, 2011 Google introduced its new method for evaluating the quality of a website. Google Panda or “The Panda Algorithm” affected a little under 12% of search results and drastically reduced page visitors for many websites. At first 12% may seem like a small percentage but when considering the size of internet the figure becomes fairly significant. Google released Panda 2.0 in April and followed with version 2.1 in May. According to Search Engine Land Google had also just recently released its newest version (Panda 2.2) sometime during June.

from http://www.google.com/logos/logos11-2.html, July 2011

The Panda version 2.2 updates are thought to be the source behind the recent fluctuation in search listings and PageRank. Whether you experienced this change back in February or the new update is finally catching up with you, Google Panda seems to be impacting a tremendous number of websites and site owners across the Internet.

Although it is commonly called the Panda Algorithm, Google Panda is more of an individual Ranking factor rather than an entire new algorithm.  Google uses a number of different factors when assigning a rank to a website.  These factors  are continually tweaked in order to provide the best user experience and return the most relevant search results. Search Engine Optimization (SEO) focuses on these evolving factors in an effort to increase site traffic and conversion rates. Although Google makes these adjustments to its ranking algorithm on a regular basis they usually go unnoticed or cause minor changes for most websites.  However there have been a few major exceptions similar to the Google Panda update such as the Mayday Update of last year and the Vince Update in 2009.

How does Google Panda work? Google Panda acts as a filter to identify low quality pages. According to Matt Cutts the Panda Filter is not running all the time. Instead Panda performs periodic scans that occur during… Read the rest