cclin Smart Table of Contents

cclin Smart Table of Contents is a lightweight and flexible TOC plugin built specifically for long-form content, tutorials, and documentation-style websites.

This plugin focuses on reading experience, content structure, and navigation clarity, making it ideal for blogs, technical articles, and knowledge bases.

Key Features

• Automatically extract headings from H2 to H6 (configurable)
• Clean and structured hierarchical TOC output
• Automatic heading numbering (1, 1.1, 1.1.1)
• Smooth scroll navigation
• Scrollspy support (active heading highlight while scrolling)
• Multiple display positions:
  • Inline TOC at the top of content
  • Fixed sidebar TOC
• Independent expand/collapse behavior for different TOC modes
• Auto insert TOC into content
• Support for custom post types
• Gutenberg-compatible (works seamlessly with block editor content)
• Fully internationalized (i18n ready)
• Lightweight, clean OOP architecture

Designed for

cclin Smart Table of Contents is especially suitable for:

• Long-form blog posts
• Technical tutorials
• Documentation websites
• Knowledge bases
• Structured academic or research content

Customization

Instead of requiring users to write custom CSS, the plugin provides structured options such as:

• Heading levels selection
• Numbering toggle
• Display position control
• Sticky offset settings
• Expand / collapse behavior

This ensures both flexibility and safety while maintaining performance and compatibility.

Third-Party Libraries

This plugin bundles the following third-party library:

• Select2 (https://github.com/select2/select2) License: MIT License file included in: /assets/vendor/select2/LICENSE