Methods and systems for improved template compilation are disclosed. The system can enable repeating the content of grouped components for each entry in a designated data array from a custom database. With the same design style, each of the iterated components can contain individually different content based on the custom variables in the array. The system can improve efficiency in creating the customized email template. Furthermore, by relying on the custom databases, the system can optimize the template customization process to create personalized templates that match the customer's interests as wells as the business's goals.