2011 Updates on Google Panda Algorithm Change.

Lorna Rose Gill Posted by Lorna Rose Gill

Panda 2.5 – September 28, 2011
Almost a month after Google announced their latest Panda Update. Its effects on SERP results have been unclear so far but many blogs have reported large scale losses in their natural SoV.
Confirmed: Google Panda 2.5 Update Arrived This Week (SEL)
Google Panda 2.5: Losers Include Today Show, The Next Web; Winners Include YouTube, Fox News (SEL)

Algo Updates – September 21, 2011
Google CEO Eric Schmidt told Congress that Google made 516 updates in 2010. The real shocker? They tested over 13,000 updates. Not sure which update effected what but glad these revelations got public.
Eric Schmidt’s Congressional Testimony (SEL)

Pagination Elements – September 15, 2011
To help fix crawl and duplication problems created by pagination, Google introduced the rel=”next” and rel=”prev” link attributes. Google also announced that they had improved automatic consolidation and canonicalization for “View All” pages.
Pagination with rel=“next” and rel=“prev” (Google)
Google Provides New Options for Paginated Content (SEL)

Expanded Sitelinks – August 16, 2011
After experimenting in Latin American states Google officially rolled out expanded site-link. At first, these mega sitelinks were of constituent of 12 sublinks driving traffic to the website and literary covering more than half of the SERP page, but Google appeared to limit the expanded site-links to 6 shortly after the roll-out.
The evolution of sitelinks: expanded and improved (Google)
Official: Google Sitelinks Expands To 12 Pack (SEL)

Panda Goes Global (2.4) – August 12, 2011
Google rolled Panda out internationally, both for English-language queries globally and non-English queries except for Chinese, Japanese, and Korean. Google reported that this impacted 6-9% of queries in affected countries.
High-quality sites algorithm launched in additional languages (Google)
Google’s Panda Update Launches Internationally in Most Languages (SEL)

Panda 2.3 – July 23, 2011
Google updated Panda 2.3 launch as announced on their official webmaster blog. Initiall effects of these updates are yet to be known but it has given Search Experts a heads up on the changes might be happening in the coming months.
Official: Google Panda 2.3 Update Is Live (SEL)
A Holistic Look at Panda with Vanessa Fox (Stone Temple)

Panda 2.2 – June 21, 2011
Google continued to update Panda-impacted sites and data, and version 2.2 was officially acknowledged. Panda updates occurred separately from the main index and not in real-time, reminiscent of early Google Dance updates.
Official: Google Panda Update 2.2 Is Live (SEL)
Why Google Panda Is More A Ranking Factor Than Algorithm Update (SEL)

Schema.org – June 2, 2011
Google, Yahoo and Microsoft jointly announced support for a consolidated approach to structured data. They also created a number of new “schemas”, in an apparent bid to move toward even richer search results.
Google, Bing & Yahoo Unite To Make Search Listings Richer Through Structured Data (SEL) What is Schema.org? (Schema.org)

Panda 2.1 – May 9, 2011
Initially dubbed “Panda 3.0”, Google appeared to roll out yet another round of changes. These changes weren’t discussed in detail by Google and seemed to be relatively minor.
It’s Panda Update 2.1, Not Panda 3.0, Google Says (SEL)
Google Panda 3.0 (SERoundtable)

Panda 2.0 – April 11, 2011
Google rolled out the Panda update to all English queries worldwide (not limited to English-speaking countries). New signals were also integrated, including data about sites users blocked via the SERPs directly or the Chrome browser.
High-quality sites algorithm goes global, incorporates user feedback (Google)
Panda 2.0: Google Rolls Out Panda Update Internationally & Incorporates Searcher Blocking Data (SEL)

Panda/Farmer – February 23, 2011
A major algorithm update hit sites hard, affecting up to 12% of search results (a number that came directly from Google). Panda seemed to crack down on thin content, content farms, sites with high ad-to-content ratios, and a number of other quality issues. Panda rolled out over at least a couple of months, hitting Europe in April 2011.
The ‘Panda’ That Hates Farms: A Q&A With Google’s Top Search Engineers (Wired)
Google’s Farmer/Panda Update: Analysis of Winners vs. Losers (SEOmoz)

Attribution Update – January 28, 2011
In response to high-profile spam cases, Google rolled out an update to help better sort out content attribution and stop scrapers. According to Matt Cutts, this affected about 2% of queries. It was a clear precursor to the Panda updates.
Algorithm Change Launched (Matt Cutts)
Latest Google Algorithm change (Search News Central)

Information compilations have been written with the help from seomoz.org, searchengineland.comsearchnewscentral.comwired.comgooglewebmastercentral.blogspot.com, schema.org

About the author

Lorna Rose Gill
Lorna Rose Gill
Lorna is responsible for acquisition marketing at Adthena, communicating their award-winning product and generating demand. She has developed her career in fast-paced, start-up environments, including two tech track 100 companies. She is curious and passionate and likes to find stories in data and technology.