When your ad testing strategy is just plain wrong

Rigorously testing your ads is a good thing… unless you’re testing the wrong things and tweaking your campaigns based on flawed conclusions.

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source https://searchengineland.com/when-your-ad-testing-strategy-is-just-plain-wrong-306574

source http://socialmediamarketingconsultantseo.blogspot.com/2018/10/when-your-ad-testing-strategy-is-just.html