WordPress Theme Development Skill

Overview

Comprehensive guide for developing WordPress themes following best practices. Covers both classic PHP-based themes and modern FSE (Full Site Editing) block themes. Core principle: Build accessible, performant, and WordPress-standards-compliant themes.

When to Use

Use when:

• Building new WordPress themes (classic or block)
• Creating child themes
• Implementing template hierarchy
• Adding customizer options
• Setting up FSE templates and template parts
• Troubleshooting theme issues