PPC Testing Made Easier with AdWords Campaign Experiments
If you take your PPC campaigns seriously (why wouldn’t you?), you’re always testing. Always. It’s the only way to accomplish long-term growth and gain insights that will translate into all of your other marketing channels. One problem that has been inherent since the beginning of PPC is the inability to do true A/B split-testing with variables like keywords, bids, ad text, ad groups, match types, dynamic keyword insertion, etc.