Google Launch New Doorway Pages Penalty Algo in March 2015

 Google recently update in their algorithm for websites doorway pages
that create spam searches and also spam user experience. Their team is
always working to improve the quality of searches for their users and
remove the span search results that create confusion. There is a huge
impact on those websites that are working on doorway pages strategy to
improve their ranking.

Google Launch New Doorway Pages Penalty Algo in March 2015