Learn how to map classic WordPress widget areas to block theme template parts — from sidebar-1 to complementary regions, footer columns to wp:columns blocks. Includes PHP code for dynamic widgets, CSS class preservation, fallback detection, and a step-by-step migration checklist.
WordPress has always offered flexibility in how themes render pages. For years, classic PHP templates ruled the ecosystem. Then Full
How to Build a Hybrid Theme That Supports Both Classic and Block Editing Read Post »
A step-by-step guide to converting a classic WordPress theme to a block theme. Covers auditing your PHP template structure, migrating functions.php settings to theme.json (color palettes, font sizes, spacing), converting PHP templates to HTML block templates, and handling custom template tags — with working code for every step.
How to Convert a Classic WordPress Theme to a Block Theme Step by Step Read Post »
Learn how to use the WordPress Interactivity API to build stateful, client-side interactive blocks using real data-wp-* directives, @wordpress/interactivity store and actions, viewScriptModule in block.json, and render.php server state — with three working examples: toggle, counter, and live fetch.
How to Build Interactive Blocks with the WordPress Interactivity API Read Post »
Learn how the WordPress block supports system works, how to enable and disable controls per block in theme.json, configure spacing, border, and color supports, and extend core blocks with additional editor controls.
How to Add Custom Block Supports in theme.json for Enhanced Editor Controls Read Post »
A practical guide for block theme developers on using PHP and JavaScript block filters to modify render output, adjust block metadata, extend blocks with custom attributes, and remove unwanted block features cleanly.
How to Use Block Filters and Hooks to Modify Block Behavior in Themes Read Post »
The WordPress core team has announced the Twenty Twenty-Seven default theme. For commercial block theme authors, a new default theme is never just cosmetic — it sets design direction, signals where theme.json and pattern APIs are heading, and reshapes customer expectations. Here is what to audit in your commercial theme before WP 7.0 lands.
Twenty Twenty-Seven Is Coming: What Commercial Block Theme Authors Need to Know Now Read Post »
A developer guide to wp.blocks.registerBlockVariation: scope, isActive, innerBlocks, and how variations differ from block styles, patterns, and custom blocks. Build three Quote variations end to end.
A practical guide to building custom Gutenberg blocks for block themes, block.json metadata, static vs dynamic blocks, editor + frontend code, theme.json integration, and registering blocks cleanly from a theme.
How to Build Custom Blocks for Block Themes Using the WordPress Block API Read Post »
Learn how to create custom block styles in WordPress. Covers registering styles with PHP and JS, styling with CSS and theme.json, removing defaults, and building client-specific block variations.
How to Create Custom Block Styles That Extend the WordPress Design System Read Post »
Learn how to create style variation JSON files for WordPress block themes, override colors, typography, and spacing per variation, preview designs in the Site Editor, and offer multiple design presets as a commercial selling point.
How to Use Style Variations in Block Themes to Offer Multiple Design Presets Read Post »
A complete guide to building WCAG-compliant color palettes in block themes: contrast ratios, semantic color naming in theme.json, dark mode style variations, and practical testing workflows.
How to Design Accessible Color Systems in Block Themes That Pass WCAG Standards Read Post »
Learn how to implement a complete spacing system in theme.json for WordPress block themes. Covers spacingSizes presets, fluid spacing with CSS clamp(), block gap and padding defaults, and spacing tokens for layout predictability.
How to Implement a Consistent Spacing System in theme.json for Balanced Layouts Read Post »
What Design Tokens Are and Why They Matter for WordPress Themes Design tokens are the smallest units of a design
How to Build a Design Token System in theme.json for Maintainable Block Themes Read Post »
Why Converting Existing Layouts to Block Patterns Makes Strategic Sense Every established WordPress theme and agency has a library of
How to Convert Existing Page Layouts into Block Patterns for Theme Distribution Read Post »
Introduction to Block Pattern Collections in WordPress Themes Block pattern collections have fundamentally changed how theme developers deliver pre-built layouts
How to Register Block Pattern Collections for Client-Ready WordPress Themes Read Post »
Learn how to build a viewport-responsive fluid typography scale in WordPress block themes using CSS clamp() and theme.json. Covers the slope-intercept formula, a 7-step modular type scale, heading hierarchy implementation, and testing techniques for breakpoint-free responsive type.
Fluid Typography in Block Themes: The Complete CSS Clamp Guide Read Post »
When your theme or plugin hits 50+ custom blocks, the editor chokes. A registry pattern keeps blocks discoverable, lazy-loaded, and maintainable at scale.
WordPress Blocks Don’t Scale. Here’s How a Registry System Fixes It. Read Post »
Learn how to build and register template parts in WordPress block themes for modular, maintainable site architecture — covering areas, nesting, patterns comparison, and distribution.
How to Build Template Parts in Block Themes for Modular Site Architecture Read Post »
An honest 2026 assessment of WordPress Full Site Editing — what is production-ready, what has improved, what is still broken, and a project-type decision framework for when to use FSE versus staying with classic themes.
Full Site Editing in 2026: What’s Finally Worth Using (And What’s Still Broken) Read Post »
shadcn/ui hit 110K GitHub stars by solving design system problems with clean principles — tokens first, semantic naming, owned implementations, composition over configuration. Every principle applies directly to WordPress block themes and theme.json.
What shadcn/ui Gets Right That WordPress Block Themes Should Copy Read Post »
