As of April 2026, Primary Cat is a WordPress category plugin with 0 active installations and a 0/5 rating0. It has been downloaded 1.1K+ times in total. Requires WordPress 5.0+ and PHP false+. Available on WordPress.org since 2021. Recently updated within the last 3 months. Top alternative: Pages with category and tag.
Set a primary category for your posts… and then do stuff with it.
Why would I want a primary category?
Out of the box, WordPress allows you to assign multiple categories to a post. Unless you’re enforcing a strict one-category-per-post-only rule for your website, this can be a problem now for displaying the most important category for your respective posts, as opposed to WordPress automatically selecting it for you.
Let’s say that your blog is about animals, and you publish an article titled “Why Do Dogs Love Water and Cats Hate It?” with the categories: Cats, Dogs, and Pets assigned to it.
By default, anywhere that WordPress might display a single category to represent the post, it’s probably going to display Cats by defau…
| WordPress | 5.0+ requiredTested up to 6.8.5 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.