https://outsprung.com/blog/google-update-page-layout-algorithm-improvement-january-2012/
Google Update - Page layout algorithm improvement - January 2012 - Outsprung
Jul 8, 2015 - Google’s latest update has been causing quite a stir (as usual) and has resulted in many people going crazy (as usual) editing their page layouts...
page layout algorithmgoogleupdateimprovementjanuary