HTML and
CSS best practices
Using tables for layout instead of divs
Inline styles for better compatibility
Optimized images and minimal use of heavy elements
Use
media queries to adjust styles for different screen sizes
Set the viewport meta tag for proper scaling
Design with a mobile-first approach
Using tools like
Litmus or
Email on Acid for comprehensive testing
Checking emails on multiple devices and email clients
Validating HTML and CSS using online validators
Documenting the code for future reference
Using
modular design for reusable components
Regularly updating and testing the code
Minimize the use of heavy images and attachments
Keep the code clean and concise
Compress images and use appropriate formats
Conclusion
Well-structured code is a cornerstone of successful email marketing. It ensures better compatibility, easier maintenance, and improved user experience. Adhering to best practices and avoiding common pitfalls can significantly enhance the effectiveness of your email campaigns.