Google Algorithm Updates with Introducing Date

Google Algorithm Updates with Introducing Date
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Google Algorithm Updates

Google’s algorithms are a complex system used to retrieve data from the search index/crowl and instantly shows the best and perfect possible results for a search query. The search engine uses a combination of algorithms and promiscuous classification signals to deliver web pages classified by relevance in their search results pages (SERPs).

They are Google Panda, Google Penguin, Google Hummingbird, Google Pigeon, Google Core Algorithm.

  1. Google Panda:

Google Panda Algorithms Update

Google Panda

Riskiness: Duplicate, plagiarized or thin content; user-generated spam; keyword stuffing

  • This algorithm introduced in 24th-Feb-2011.
  • This algorithm targets the websites which use duplicate content, short content and keyword stuffing on the website.
  • The main purpose of this algorithm is to penalize low-quality content.


  1. Google Penguin:

Google Penguin Algorithm Update


Riskiness: Spam or irrelevant links; links with over-optimized anchor text.

  • This algorithm introduced in 24th-Apr-2012
  • This algorithm penalizes the websites which have spam search result by buying links, building low-quality links, using link sharing network for link building.
  • Keyword Stuffing.
  • it’s works in real time.
  • Monitor your link profile’s growth and run regular audits with a backlink checker.


  1. Google Hummingbird:

Google Hummingbird Algorithm Update

Google Hummingbird

Riskiness: Keyword stuffing; low-quality content

  • This algorithm introduced in 22nd-Aug-2013
  • Google launched this algorithm to provide instant answers from its own database or from other services.
  • This algorithm made the search result very fast, effective and relevance search.
  • Certain websites may lose traffic, as Google will provide instant answers to certain queries.
  • Great sources of such ideas are Google Related Searches and Google Autocomplete.


  1. Google Pigeon:

Google Pigeon Algorithm Update

Google Pigeon

Riskiness: Poor on- and off-page SEO

  • This algorithm introduced in 24th-July-2014
  • The target of this algorithm is to add new signals for ranking local search results.
  • Google Pigeon affects both map results and local results
  • Traditional results are counted in ranking.
  • Local review websites got a boost.
  1. Google Mobile-Friendly Update:

Google Mobile Friendly Update

Riskiness: Lack of a mobile version of the page; poor mobile usability

This algorithm introduced in 21st-April-2015. Used for mobile-friendly pages in mobile search results. It checks your webpages that are not optimized for mobile devices are filtered from the search engine result page and you can also check your website/webpage is mobile friendly with the use of Mobile Friendly Testing Tool.


  1. Core Algorithm:

Google Core Algorithm

Google Core Algorithm


  • In this update, increased the value of keywords in h1 tags by 2%, increased the value of http by 18%, and decreased the value of a keyword in title tag by 9%.
  • Google changed the weight and importance of many classification factors.


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