Theme Performance
Resources

Less *is* more. Make your themes sleek and fast. Read Theme Performance.
Less *is* more. Make your themes sleek and fast. Read Theme Performance.
Get up to speed on the anatomy of a theme, fast.
Chat about theming and plugins with like-minded souls over at Google+.
Theme designer Chandra Maharzan offers advice to young designers about getting started.
Twenty Thirteen, the bold, beautiful and fully responsive default WordPress theme for 2013.
Read and learn from mom, CEO, plugin developer, and WordCamp Jerusalem organizer, Miriam Schwab.
From WebDevStudios to Woo Themes, WordCamp Norway to WordSesh, come meet Scott Basgaard up in the mountains of Norway.
The WordPress Theme Guide will keep you up to date on theming best practices. You’re welcome.
Child themes, theme frameworks, starter themes, or theme-from-scratch? Philip Arthur Moore will help you decide.
Data validation. Data sanitization. Learn about them, embrace them, and apply them to your work.