http://www.yoigo.com/responsive-js/respond.js
https://www.guildofstudents.com/assets/site_resources/respond.js
https://mathematica-mpr.com/Includes/Site/js/respond.js
http://mahindraadventure.com/themes/adventure/js/respond.js
http://www.dmt-group.com/fileadmin/template3/js/respond.js?1404383727