Source: http://visual.ly/google-algorithm-changes-2014-timeline
One of the most anticipated events in the world of SEO is of course, the announcements and releases of Google algorithm updates. To help you cope with the changes, here’s a list of updates for 2014.
Google algorithm updates 2014
February 6: Page Layout 3
– Sites with too many ads at the top were penalized by this update
March: SERPs Redesign
– Google redesigned the search results with bigger font titles, and a new ad appearance
May 16: Payday Loan 2.0
– This update targeted queries with the most spammy results like “porn” and “payday loans”
May 19: Panda 4.0
– Targeted sites with low-quality content
June 12: Payday Loan 3.0
– An update of the anti-spam algorithm
June 28: Authorship Photos Removed
– Thumbnails of content authors were dropped
July 24: Pigeon Update
– Update for local search rankings and was first seen in the US version of Google
August 6: HTTPS (SSL) Update
– Start of Google’s intention to improve security by moving to SSL
August 28: Authorship totally removed
– Google officially dropped its authorship feature
September 23: Panda 4.1
– A gradual roll-out that affected 3-5% of queries
October 1: In the News
– Non-news sites are now featured in SERP’s news box
October 17: Penguin 3.0
– Released more than a year after Penguin 2.1 but had a smaller impact than expected
October 21: Pirate 2.0
– Targeted websites that have been known for copyright infringements
October 25: Thin Content Update
– Unannounced update that changed the way Google classifies soft 404s and thin content
November 27: Penguin 3.1
– Many temporary recoveries have been recorded from this update
December 2-6: Penguin 3.2 to 3.4
– Continuous update rolled out by Google
December 9: Pigeon Update for UK, CA and AU
– The local ranking algorithm extended to Australia, Canada and the UK
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