by Marta Turek
http://www.mediative.ca

‘All signs point to this being a nor­mal effect of switch­ing out des­ti­na­tion URLs; i.e. the AdWords sys­tem is work­ing as intended.’ - Google AdWords Rep

This is the feed­back that the Google Rep pro­vided per­tain­ing to a cam­paign in which aver­age CPC (cost-per-click) dou­bled over a period of 8 weeks as land­ing pages were switched over from one des­ti­na­tion URL to another.