suppress

Add the Table of Contents Block anywhere in your Gutenberg editor. It scans H2–H6 headings in the post content and builds a nested, clickable table of contents. Links automatically work by adding IDs to headings.
No configuration needed. Works on single posts and pages (not archives or category listings).
<ul>
<li>No theme editing required 
You can activate the plugin on any site.</li>
<li>Compatible with Gutenberg / Classic Editor 
It processes the final rendered HTML.</li>
<li>SEO-friendly 
IDs are based on sanitize_title(), the same function WP uses for slugs.</li>
<li>Works with headings that already have IDs 
It does not overwrite existing IDs.</li>
</ul>
Example: 
– Structure Your Content – Write your post or page using semantic headings (H2, H3, etc.)—just like you normally would. 
– Insert the Table of Contents Block – Add the “Table of Contents Block” anywhere in your editor (e.g., right after the introduction). 
– Let It Work Automatically – The plugin scans your headings, builds a hierarchical, scroll-linked table of contents in real time, and updates dynamically as you edit.
<h3>Key Features</h3>
<ul>
<li>Server-side generated Table of Contents</li>
<li>Automatically detects H2–H6 headings</li>
<li>Generates nested lists based on heading hierarchy</li>
<li>Automatically adds IDs to headings when missing</li>
<li>Lightweight and simple</li>
<li>Useful for:
<ul>
<li>Adding a Table of Contents to a post or page</li>
<li>Generating heading IDs</li>
<li>Linking to sections within content</li>
</ul>
</li>
</ul>
<h3>Why use this plugin?</h3>
<ul>
<li>Smart Parsing: Supports H2 through H6 headings</li>
<li>Clean Output: Uses standard HTML lists for maximum theme compatibility</li>
<li>Non-intrusive: Does not modify existing heading IDs</li>
<li>Lightweight & Fast</li>
</ul>

Supplyist TOC Block

A simple Gutenberg block that automatically generates a nested table of contents from post headings.

Stefan Matei

If your subheadings appear on archive pages, they need to start from H3 (because H2 tags are used by the post titles on archive pages).
This plugin dynamically corrects subheadings before they are displayed on your site — for SEO and semantic markup purposes.
You will be able to select one of the following two options (the first one being the default):
<ul>
<li>
My subheadings start from the H2 level: turn them down a level on archive pages. 
H2’s become H3’s, H3’s become H4’s, H4’s become H5’s, H5’s become H6’s and H6’s become paragraphs
</li>
<li>
My subheadings start from the H3 level: turn them up a level on single posts or pages. 
H3’s become H2’s, H4’s become H3’s, H5’s become H4’s and H6’s become H5’s
</li>
</ul>
This plugin does not make any changes to your database: the subheadings will only be displayed differently on the front-end site. 
If you disable the plugin or decide to uninstall it everything will be back to normal.
Visit the <a href="http://www.vileworks.com/correct-my-headings" title="Correct My Headings" rel="nofollow ugc">plugin page</a> on VileWorks.com.

Correct My Headings

If your subheadings appear on archive pages, they need to start from H3 (because H2 tags are used by the post titles on archive pages).

Supplyist TOC Block vs Correct My Headings