What is the Google Algorithm?
PageRank (PR) is an algorithm used by Google Search to rank websites in their search engine results. Google introduces changes to its ranking algorithm almost every year.
In previous years Google made a small update to its algorithm. Now Google makes thousand of updates every year.
Google rolls out most of the changes are minor, sometimes rolls out major algorithm updates such as Panda, Top Heavy, Penguin, Pirate, Hummingbird, Pigeon, Possum, Mobile that significantly impact the SERPs.
1. Google Panda:
Launch date: February 2011
Risk: low-quality content, plagiarized or thin content.
In February 2011, Google roll out the first updates called Google Panda. It means to reduce the low-quality content, thin content in the search results, and to return unique, compelling content. Panda is updated every time by the Google.
2. Google Penguin:
Launch date: April 2012
Risk: Spammy or irrelevant links, Paid links.
In April 2012, Google introduced the Penguin update to remove bad links or irrelevant links. when paid links are available, the website will be penalized. When a new Penguin Update is released, sites that have taken action to remove bad links (using the Google disavow links tool).
3. Google Pirates:
Launch date: August 2012
Risk: Copy contents, Copyright infringement reports.
In August 2012, Google released the Pirate update algorithmic changes that penalized sites frequently accused of piracy. The reason for the pirate updates was to penalize sites with repeat copyright violations, as filed through Google’s DMCA (Digital Millennium Copyright Act) system.
4. Google Hummingbird:
Launch date: August 2013
Risk: Keyword stuffing; low-quality content.
In August 2013, Google released the Hummingbird update to produce more relevant search results by better understanding the conversations and meaning behind queries. While synonyms relevant keywords continue to be important, Carefully research related searches and co-occurring terms.
5. Google Pigeon:
Launch date: July 2014
Risk: Poorly optimized pages.
In July 2014, Google released the Pigeon update to provide high quality, relevant local search results. A good starting point is running an on-page analysis with WebSite Auditor. The tool’s dashboard will give you a good idea about which aspects of on-page optimization.
6. Google Mobile (Mobilegedion):
Launch date: April 2015
Risk: Poor mobile compatibility.
In April 2015, Google released a new mobile-friendly ranking algorithm. Google’s Mobile Update (Mobilegeddon) ensures that mobile-friendly pages rank at the top of mobile search while pages not responsive for mobiles it will down-ranked from the search engine result page and your website is not optimized for mobile traffic.
Launch date: October 2015
Risk: Poor user experience, Lack of query-specific relevance features.
In October 2015, Google released the RankBrain update is a machine learning where a computer teaches itself how to do something, that helps Google process some of its more relevant search results. Keep an eye on your website or blogs user experience factors in Google Analytics, particularly Bounce Rate and Session Duration.
Launch date: September 2016
Risk: Tense competition in your target location.
In September 2016, Google released a new algorithm Possum to update the local search results for Google Maps, searcher’s location, and the business address. To deliver better, more diverse results based on the location and the address.
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