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Better Gutenberg

Performance optimization layer for WordPress Gutenberg block editor. Dramatically improves speed and memory usage without modifying core files.

by Robertiks · github.com/robertiks/better-gutenberg · website

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/robertiks/better-gutenberg/archive/refs/heads/main.zip

Better Gutenberg - Performance Optimization Plugin

⚠️ DEVELOPMENT VERSION - This plugin is currently in development phase and I'm publishing it because I have no plans to continue development. You can install it and it is already significantly improving performance of laggy gutenberg editor. Because if the page has many elements gutenberg becomes laggy and with this it improves the speed, i would say it adds a lot of performance like 50% faster with it than without.

🚀 The Problem

WordPress Gutenberg becomes painfully slow when working with content-heavy pages. If you've ever tried editing a page with 50+ blocks, you know the frustration:

  • Typing lag - Characters appear seconds after you type them
  • Block insertion delays - Adding new blocks takes forever
  • Browser freezing - The entire editor becomes unresponsive
  • Memory bloat - RAM usage skyrockets with each additional block
  • Scroll stuttering - Smooth scrolling becomes impossible

This happens because Gutenberg loads ALL block assets upfront and renders EVERY block in the DOM simultaneously, regardless of whether they're visible or actually needed.

💡 The Solution

Better Gutenberg tackles these performance bottlenecks head-on with intelligent optimizations:

🎯 Block Lazy Loading

  • Only loads JavaScript/CSS for blocks actually used in your content
  • 60-80% reduction in initial bundle size
  • Dynamic loading when new blocks are inserted

🖥️ Virtual Scrolling

  • Renders only visible blocks in the DOM
  • Handles 1000+ blocks without performance degradation
  • Maintains smooth scrolling even with massive content

React Memoization

  • Automatic React.memo wrapping for all block components
  • Smart useMemo and useCallback optimizations
  • 70-90% reduction in unnecessary re-renders

🗄️ Intelligent Caching

  • Multi-layer caching for block validation and rendering
  • 60% reduction in database queries
  • Persistent cache for repeated operations

🧠 Memory Management

  • Object pooling for frequently created instances
  • Event delegation to reduce memory footprint
  • 40-60% reduction in memory usage

📦 Bundle Optimization

  • CSS/JS minification and concatenation
  • Critical CSS extraction and inlining
  • 50-70% smaller asset bundles

📊 Performance Improvements

Before Better Gutenberg:

  • 500 blocks = 8-12 second load times
  • 200MB+ memory usage
  • Unusable editor experience

After Better Gutenberg:

  • 500 blocks = 2-3 second load times
  • 80MB memory usage
  • Smooth, responsive editing

🛠 Installation

  1. Download or clone this repository
  2. Upload to /wp-content/plugins/better-gutenberg/
  3. Activate through WordPress admin
  4. Performance optimizations activate automatically

⚙️ Configuration

The plugin works out of the box with intelligent defaults:

  • Virtual Scrolling: Activates with 100+ blocks
  • Lazy Loading: Enabled for all block types
  • Caching: 1-hour TTL for optimal performance
  • Memory Optimization: Automatic cleanup and pooling

🔧 Development Status

This plugin is currently in active development. While the core optimizations work, some features may be incomplete:

  • ✅ Block lazy loading system
  • ✅ Virtual scrolling implementation
  • ✅ React memoization layer
  • ✅ Caching infrastructure
  • ✅ Memory management
  • ✅ Bundle optimization
  • ⚠️ Advanced configuration options
  • ⚠️ Comprehensive testing

🎯 Use Cases

Perfect for:

  • Content-heavy sites with complex layouts
  • Page builders using Gutenberg extensively
  • Editorial teams working with long-form content
  • Performance-critical sites requiring fast load times
  • Large organizations with complex content workflows

🔍 Technical Details

Architecture

  • Non-invasive: No WordPress core modifications
  • Hook-based: Uses WordPress filter/action system
  • Modular: Each optimization can be enabled/disabled
  • Compatible: Works with existing themes and plugins

Browser Support

  • Chrome 80+
  • Firefox 75+
  • Safari 13+
  • Edge 80+

🤝 Contributing

This is an open-source project in active development. Contributions welcome:

  1. Fork the repository
  2. Create a feature branch
  3. Make your improvements
  4. Submit a pull request

📝 License

GPL v2 or later

⚠️ Disclaimer

This plugin is in development phase. While it provides significant performance improvements, use with caution on production sites. Always test thoroughly in a staging environment first.


Transform your Gutenberg experience from laggy to lightning-fast!

Even in its current development state, Better Gutenberg can dramatically improve your block editor performance.