What is the primary metric for determining a winning ad? December 28, 2018 By CertificationAnswers What is the primary metric for determining a winning ad? Clicks Lowest cost per click CTR Ad position Related content Related posts:SEMrush PPC Fundamentals Exam AnswersSEMrush SEO Toolkit Exam AnswersSEMrush Content Marketing Toolkit Exam AnswersSEO Toolkit Exam for Advanced SEMrush Users Answers