Admin Column for a Taxonomy Added by a Plugin or Theme
Shows a column for any taxonomy in its post type's admin list, even when the plugin or theme that registered it left the column out.
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Books Post Type With Genres and Authors
Registers a "Books" post type with a Genre category taxonomy and a tag-style Book Author taxonomy, for publishers, libraries and reading lists.
Case Studies Post Type With Industries
Registers a "Case Studies" post type with an Industry taxonomy for showcasing client results, with an archive at /case-studies/.
Categories for the Media Library
Adds a "Media Categories" taxonomy to attachments, so you can organise uploads and filter the Media Library list view by category.
Change the URL Slug of Any Taxonomy
Changes the URL base of a category-style taxonomy registered by a theme or plugin, for example from /portfolio-category/ to /work-type/.
Color Field for Categories and Terms
Adds a color picker to categories (or any taxonomy) with a swatch column in the term list, and a helper to use each term's color in your theme.
Content Types Overview Screen
Adds Tools > Content Types, a table of every registered post type and taxonomy with its labels, visibility, archive, REST base, URL slug and item count.
Default Term for a Custom Taxonomy
Gives a custom taxonomy a default term, like "Uncategorized" for categories, so items saved without a term still get one.
Disable Tags for Posts
Removes the Tags taxonomy from posts: the Tags menu, the tag box in the editor and the tag column disappear.
Events Post Type With Event Categories
Registers an "Events" post type with featured images, an /events/ archive and an Event Category taxonomy, as the base for a simple events calendar.
Exclude Taxonomies From the Yoast Sitemap
Leaves taxonomy sitemaps, such as tags or a plugin's filter attributes, out of the Yoast SEO sitemap index.
FAQ Post Type With Groups
Registers an "FAQs" post type (question as the title, answer as the content) with an FAQ Group taxonomy, for help centers and FAQ pages.
Filter Admin Lists by Any Taxonomy
Adds a dropdown filter for every taxonomy attached to a post type, such as tags or custom taxonomies on a portfolio.
Find and Delete Unused Tags and Categories (WP-CLI)
Adds a "wp empty-terms" command that lists the terms of a taxonomy that no post uses, and deletes them when you add --delete. The default category is always kept.
ID Column on Category and Tag Screens
Adds a sortable ID column to categories, tags and every other taxonomy screen, handy for shortcodes and filters that need term IDs.
Knowledge Base Post Type With Topics
Registers a "Knowledge Base" post type with a nested Topic taxonomy for help articles and documentation, under /docs/.
Noindex Category and Tag Pages With Few Posts
Adds noindex to category, tag and custom taxonomy archives that hold fewer posts than a minimum, so near-empty pages do not dilute your search presence.
Partners and Sponsors Post Type With Levels
Registers a "Partners" post type for sponsor and partner logos with a Partner Level taxonomy (gold, silver, bronze); entries have no single pages.
Podcast Episodes Post Type With Seasons
Registers an "Episodes" post type for a podcast with a Season taxonomy, comments and an archive at /podcast/.
Posts per Page on Category and Tag Archives
Shows 20 posts on category, tag and custom taxonomy archives without changing the number on the blog page.
Put the Category in Custom Post Type URLs
Builds custom post type URLs with a taxonomy term, such as /books/fantasy/the-hobbit/, which reads better and groups content by section.
Rank Math Sitemap: Leave Out Taxonomies
Keeps taxonomy archives such as tags or product attributes out of the Rank Math sitemap index.
Refresh Permalinks Automatically When Post Types Change
Rebuilds the rewrite rules once whenever a post type or taxonomy is added, removed or gets a new slug, so new URLs work without visiting Settings > Permalinks.
Register a Custom Taxonomy
A ready-to-edit example that registers a hierarchical "Project Type" taxonomy for the Portfolio post type.