Split–testing domain names just got more difficult using Google Adwords
Writing about web page http://ppcpromotion.co.uk/whyadwords/startingadwords
Google is tightening the screws on advertisers – again. One of the most effective methods for increasing your CTR and lowering your cost per acquisition is under fire. Perry Marshall.
Google’s simple rule change will outlaw any Ad group with ads that have more that one domain. To get Perry’s entertaining emails and to get early warnings such as this one just click on the panel, above / right, and sign up.
There are other ways to do split testing of domains but it has just got a lot harder for your occasional Adwords user!
To read about split-testing click the link above to my beginners guide.
Split-testing is an idea perfected in US magazines over 100 years ago with the codes in the corner of cut-out coupons and recorded in Scientific Advertising by Claude Hopkins.