WordPress Developer Handbook

This is very useful for anyone who want to start make a themes or plugins for WordPress.

Prerequisites

• HTML & CSS
• JavaScript
• PHP
• MySQL

Choose a Framework (Optional)

• Bootstrap
• jQuery
• SASS

Additional Resources

• Structured Data
• Open Graph Protocol
• Twitter Card
• Accelerated Mobile Pages
• Search Engine Optimization
• Content Writing
• Git

For Information

• HTTP & HTTPS
• APIs
• Semantic Versioning
• Design Patterns
• Cross Browser Compatibility
• Web Performance
• W3C Validation
• WordPress Localization
• WordPress Security

Theme Development

• WordPress Theme Developer Handbook
• WordPress Starter Theme

Plugin Development

• WordPress Plugin Developer Handbook
• WordPress Plugin Boilerplate