Justin Tadlock

X3P0: Breadcrumbs is the most robust breadcrumb navigation system for WordPress. Built on 17+ years of development, it automatically detects your permalink structure and displays accurate breadcrumbs for every page on your site.
Perfect for improving site navigation and SEO, this breadcrumbs plugin works seamlessly with both block themes and classic themes. Simply insert the Breadcrumbs block via the WordPress Site Editor or add it to your theme templates.
<h4>Key Features</h4>
Automatic Site Structure Detection
The plugin automatically detects your permalink setup and builds breadcrumbs based on your site’s hierarchy. No configuration needed–it just works out of the box. But you can also customize if you need to change it.
Custom Post Type Support
Automatically recognizes custom post types and custom taxonomies created by other plugins or your theme. Whether you’re running an ecommerce solution, a portfolio site, or any custom setup, breadcrumbs will display correctly.
Block Theme and Classic Theme Compatible
Insert breadcrumbs using the WordPress block editor in any template, template part, or pattern. For classic themes, easily add breadcrumbs using a simple PHP function call.
Developer Customization
Built on a robust object-oriented PHP foundation with extensive hooks and filters. Developers can customize every aspect of breadcrumb generation and display.
Schema.org Structured Data Support
Choose from plain HTML, Schema.org microdata, or RDFa formats for optimal SEO and search engine visibility.
Flexible Display Options
Control which breadcrumb items display, customize separators, hide breadcrumbs on specific pages, and style breadcrumbs to match your theme.
<h4>How to Add Breadcrumbs to Your Site</h4>
For Block Themes:
<ol>
<li>Go to Appearance → Editor</li>
<li>Open your Header template part (or any template where you want breadcrumbs)</li>
<li>Click the block inserter (+) and search for “Breadcrumbs”</li>
<li>Insert the block and customize settings in the block sidebar</li>
<li>Save your template</li>
</ol>
The breadcrumbs will automatically display site-wide based on your permalink structure.
For Classic Themes:
Add this code to your <code>header.php</code> or any template file where you want breadcrumbs to appear:
<pre><code><?= do_blocks('') ?>
</code></pre>
<h4>SEO Benefits</h4>
Breadcrumbs improve your site’s search engine optimization by:
<ul>
<li>Providing clear site structure signals to search engines</li>
<li>Reducing bounce rates by offering easy navigation</li>
<li>Supporting Schema.org structured data markup</li>
<li>Creating internal linking structure automatically</li>
<li>Improving user experience and site usability</li>
</ul>
Search engines like Google display breadcrumbs in search results when properly formatted, giving your site more visibility and higher click-through rates.
<h4>Supported Content Types</h4>
The breadcrumbs plugin automatically handles:
<ul>
<li>Pages and subpages (hierarchical structure)</li>
<li>Blog posts with category breadcrumbs</li>
<li>Custom post types (products, portfolios, etc.)</li>
<li>Custom taxonomies (tags, genres, locations, etc.)</li>
<li>Archive pages (date, author, taxonomy archives)</li>
<li>Search results pages</li>
<li>404 error pages</li>
<li>Attachment pages</li>
</ul>
<h4>Customization Options</h4>
Block Settings:
<ul>
<li>Show/hide on the homepage</li>
<li>Show/hide first crumb (home link)</li>
<li>Show/hide last crumb (current page)</li>
<li>Link the last crumb (current page)</li>
<li>Choose separator style (e.g., slash, arrow, greater-than, bullet, chevron)</li>
<li>Customize labels and text</li>
<li>Determine whether to automatically detect permalink structure</li>
<li>Choose taxonomies to match post types</li>
</ul>
Developer Options:
<ul>
<li>Custom query classes for unique breadcrumb logic</li>
<li>Custom assembler classes for conditional breadcrumb display</li>
<li>Custom crumb classes for specialized breadcrumb items</li>
<li>Filter hooks for modifying which breadcrumbs are shown</li>
</ul>
<h4>How It Works</h4>
This breadcrumbs plugin analyzes the current WordPress query and generates breadcrumbs based on:
<ol>
<li>Your permalink structure – Date-based, post name, category-based, or custom</li>
<li>Content hierarchy – Parent pages, category relationships, custom taxonomies</li>
<li>Post type configuration – Custom post type archives and relationships</li>
<li>Taxonomy settings – Primary categories and taxonomy hierarchies</li>
</ol>
The plugin automatically detects these settings and builds the most accurate breadcrumb trail for each page, so you don’t need to configure complex rules.
<h4>Developer Documentation</h4>
For developers who want to customize breadcrumbs programmatically, the plugin provides extensive PHP classes and hooks. See the <a href="https://github.com/x3p0-dev/x3p0-breadcrumbs" rel="nofollow ugc">GitHub repository</a> for full developer documentation.
<h4>Why Choose X3P0: Breadcrumbs?</h4>
Unlike simpler breadcrumb plugins, X3P0: Breadcrumbs handles complex site structures automatically:
<ul>
<li>Hierarchical pages – Automatically shows parent → child relationships</li>
<li>Category-based permalinks – Shows category structure in URLs</li>
<li>Date-based archives – Displays year/month/day breadcrumb trails</li>
<li>Custom post type archives – Links back to custom post type archive pages</li>
<li>Taxonomy hierarchies – Displays parent/child category relationships</li>
<li>Multisite networks – Can include network home in breadcrumb trail</li>
</ul>
The plugin has been refined since 2009, making it one of the most mature and reliable breadcrumb solutions for WordPress.

X3P0: Breadcrumbs


Simple, well-coded, and incredibly performant, X3P0: Breadcrumbs rapidly became one of my favorite plugins due to its lightweight approach and design freedom.



Definitely should be part of the WordPress core.


Should be part of the WordPress core

Add breadcrumb navigation to any site. Works with block and classic themes. Auto-detects site structure and custom post types. Improves SEO.

Marin Atanasov

Provides the theme and plugin developers an easy way to build and implement highly customizable breadcrumb functionality, specifically tailored to their needs. 
Supports a lot of filters and hooks, and is written in OOP style, giving developers full control over the breadcrumb trail items and appearance. 
This plugin can also be embedded in themes, instead of installing it as a WordPress plugin.
<h3>Configuration</h3>
The most basic way to insert Carbon Breadcrumbs in your theme code is:
<pre><code><?php Carbon_Breadcrumb_Trail::output(); ?>
</code></pre>
If you want to specify various breadcrumb rendering options, you can specify them in an array, like this:
<pre><code><?php
Carbon_Breadcrumb_Trail::output(array(
 'glue' => ' &gt; ', // glue between breadcrumb items
 'link_before' => '',
 'link_after' => '',
 'wrapper_before' => '',
 'wrapper_after' => '',
 'title_before' => '',
 'title_after' => '',
 'min_items' => 2,
 'last_item_link' => true,
 'display_home_item' => true,
 'home_item_title' => __('Home', 'carbon_breadcrumbs'),
 'renderer' => 'Carbon_Breadcrumb_Trail_Renderer',
));
?>
</code></pre>
For additional configuration and developer documentation, you can visit the Github repository:
https://github.com/tyxla/carbon-breadcrumbs
<h3>Ideas and bug reports</h3>
Any ideas for new modules or any other additional functionality that users would benefit from are welcome.
If you have an idea for a new feature, or you want to report a bug, feel free to do it here in the Support tab, or you can do it at the Github repository of the project:
https://github.com/tyxla/carbon-breadcrumbs

Carbon Breadcrumbs

This remains the best breadcrumbs plugin I've used. In addition to its rich customization options, it provides developers with various easy ways to extend it.



The best breadcrumbs plugin I've used

This plugin has saved me quite some time.
Thanks to the numerous filters, you can adjust everything.
Respect <3

Very customizable

GREAT plugin, fantastic codebase: super clean & TESTED?! FTW!

Only downside is no schematagging out of the box :/. This is a pivotal SEO feature and I think this would greatly boost interest in your plugin.

Info: https://developers.google.com/search/docs/data-types/breadcrumbs#guidelines

Result should look like:

<ol itemscope itemtype="http://schema.org/BreadcrumbList">
 <li itemprop="itemListElement" itemscope
 itemtype="http://schema.org/ListItem">
 <a itemscope itemtype="http://schema.org/WebPage"
 itemprop="item" href="link.html">
 Crumb 1
 </a>
 <meta itemprop="position" content="1" />
/
 </li>
 <li itemprop="itemListElement" itemscope
 itemtype="http://schema.org/ListItem">
 <a itemscope itemtype="http://schema.org/WebPage"
 itemprop="item" href="link2.html">
 Crumb 2
 </a>
 <meta itemprop="position" content="2" />
 </li>
</ol>



Here's how I've shimmed it in:


<?php
 $breadcrumbs = new Carbon_Breadcrumb_Trail(array(
 'glue' => ' / ',
 'link_before' => '<li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem">',
 'link_after' => '</li>',
 'wrapper_before' => '<ol class="breadcrumbs" itemscope itemtype="http://schema.org/BreadcrumbList">',
 'wrapper_after' => '</ol>',
 'title_before' => '',
 'title_after' => '',
 ));

 $breadcrumbs->setup();
 echo $breadcrumbs->render(true); // WP_KSES strips itemprop, itemscope, etc, so bypassing!!!

 add_filter('carbon_breadcrumbs_item_attributes', _'breadcrumb_schematags', 10, 2);
 function breadcrumb_schematags($attributes, $item) {
 if (!is_array($attributes)) $attributes = array();
 $attributes['itemscope'] = null;
 $attributes['itemtype'] = 'http://schema.org/WebPage';
 $attributes['itemprop'] = 'item';
 return $attributes;
 }
 add_filter('carbon_breadcrumbs_item_output', 'breadcrumb_item_position', 10, 5);
 function breadcrumb_item_position($item_output, $item, $trail, $trail_renderer, $index){
 // Add Position
 $n = strrpos($item_output, '</li>');
 $item_output = substr($item_output, 0, $n) . '<meta itemprop="position" content="'. $index .'" />' . substr($item_output, $n);
 return $item_output;
 }

Really wonderful, well-thought code. wish there were schematags

A basic WordPress plugin for breadcrumbs with advanced capabilities for extending.

X3P0: Breadcrumbs vs Carbon Breadcrumbs