Performance Optimization: It ensures your database is running as efficiently as possible, which is crucial for handling large email lists and high volumes of data. Cost Efficiency: By optimizing your current database setup, you may avoid the need for costly hardware upgrades. Improved Deliverability: A well-optimized database ensures faster query execution, leading to timely email delivery and better engagement rates. Preventative Maintenance: Regular use of MySQL Tuner can help you identify potential issues before they become serious problems. User Satisfaction: Faster response times and reliable performance contribute to a positive user experience, keeping your subscribers happy.