There are several strategies to optimize your email list indexes:
Segmentation: Divide your email list into smaller, targeted groups based on demographics, past behavior, or purchase history. Personalization: Use personalized content to make your emails more relevant to each recipient. Cleaning and Verification: Regularly clean your email list by removing inactive or invalid email addresses. Engagement Metrics: Monitor key engagement metrics like open rates, click-through rates, and conversion rates to understand your audience's preferences. A/B Testing: Continuously test different elements of your emails (subject lines, content, call-to-action) to find what works best.