by weetechsolution » Wed Nov 15, 2017 10:22 am
Hummingbird, September 2013:- Is paying more attention to each word in a query
Mobile friendly, April 21, 2015:- Designed to give a boost to mobile-friendly pages in Google’s mobile search results.
Panda, Feb 2011:- Stop sites with poor quality content from working their way into Google’s top search results
Pigeon:- Provide more useful, relevant and accurate local search results
Pirate, August 2012:- Designed to prevent sites with many copyright infringement reports from ranking well in Google’s listings