Wareko Header Auto Accordion

This plugin adds automatic accordion functionality to headings in WordPress content.

It provides collapsible sections for H2 and H3 headings, enabling a clear hierarchical reading experience for long-form content.

The plugin is designed to work with both classic and block-based themes, including Gutenberg editor content.

No external libraries are required.

Features

• Accordion behavior for H2 headings (primary sections)
• Nested toggle behavior for H3 headings within H2 sections
• H4 headings are preserved as part of the content structure (non-interactive)
• Works with Gutenberg block editor
• Works with classic editor
• Compatible with most WordPress themes
• Lightweight vanilla JavaScript implementation
• No external dependencies