Planning an effective testing strategy involves: - Setting Clear Objectives: Define what you aim to achieve with your tests, such as improving open rates, click-through rates, or conversions. - Selecting Variables: Choose the elements you want to test, such as subject lines, CTAs, images, or content layout. - Creating Hypotheses: Formulate hypotheses about why a particular change might improve performance. - Segmenting Your Audience: Divide your email list into segments to ensure accurate and reliable test results.