Large image file sizes can significantly impact email loading speed and user experience, especially in a mobile-first world. This article discusses best practices for optimizing image sizes in email marketing, including specific guidelines for images and GIFs, and emphasizes the importance of balancing creativity with performance.

The author outlines crucial practices that email marketers should avoid to enhance their effectiveness, such as relying solely on image-based emails, neglecting deliverability testing, and failing to collaborate with other teams. They also emphasize the importance of thorough testing, data integrity, and maintaining a strategic approach to email marketing. The piece serves as a humorous yet informative reminder for marketers to prioritize best practices and avoid common pitfalls.