Fix WordPress Permalinks with This Free Plugin

While optimizing several WordPress sites for SEO, I discovered a critical permalink issue that was negatively impacting search rankings. The problem? WordPress automatically uses your default category in post URLs when you assign multiple categories.

After struggling with this limitation on client sites, I developed a completely free plugin that gives you full control over which category appears in your permalinks.

Get This Powerful Free Plugin to Master Your Category URLs

The Custom Primary Category plugin solves this WordPress limitation permanently. Unlike other SEO tools that only analyze the problem, this free plugin provides an actual solution.

It’s particularly valuable for sites using SEO tools like Yoast or Rank Math(My fav), as it complements their functionality by fixing the core permalink structure.

Table of Contents

• The Problem With Default Categories
• Why Multiple Categories Boost SEO
• How This Free Plugin Solves the Problem
  • Setting Up New Posts
  • Updating Existing Posts
• SEO Benefits Compared to Other SEO Tools
• Future Plugin Improvements
• Get the Free Plugin Today

The Problem With Default Categories

WordPress’s handling of categories in permalinks creates several SEO challenges:

• Irrelevant default categories appear in URLs even when you specify more appropriate categories
• Long category names create excessively lengthy URLs that hurt click-through rates
• Inconsistent URL structures confuse search engines and visitors alike
• Existing SEO tools can’t override WordPress’s core permalink behavior

Why Multiple Categories Boost SEO

Using multiple categories provides significant advantages that this free plugin preserves:

• Content appears in multiple archive pages, increasing internal linking
• Posts can target different keyword clusters within your SEO strategy
• Better organization for sites with complex content structures
• More accurate content relationships than tags alone provide

How This Free Plugin Solves the Problem

This lightweight free plugin integrates seamlessly with your existing WordPress setup:

1. Install in seconds like any other WordPress plugin
2. Works with all standard permalink structures
3. Compatible with most popular SEO tools

Setting Up New Posts

When creating content:

1. Start a new post, add a title, and assign two or more categories
2. Click Save Draft or Schedule
3. Select which category should appear in the permalink
4. Publish with perfect SEO-friendly URLs

Updating Existing Posts

For older content:

1. Edit any post with multiple categories
2. The plugin shows all assigned categories
3. Select the optimal primary category
4. Update to improve existing URL structures (If you change an existing post, be sure to redirect!)

SEO Benefits Compared to Other SEO Tools

While most SEO tools analyze problems, this free plugin actually fixes them:

• Creates cleaner, more relevant URLs than default WordPress behaviour
• Maintains consistency with your overall SEO strategy
• Works alongside popular SEO tools without conflicts
• Improves URL readability for better click-through rates

Future Plugin Improvements

Planned enhancements to make this free plugin even more powerful:

• The primary category list only updates when the post is saved or scheduled for a new post. It does not automatically reflect category changes in real time. Existing posts update in real time.
• Permalink preview does not dynamically update in the editor when switching the primary category, but the saved permalink will be correct.
• Gutenberg and Divi compatibility has not been fully tested. Gutenberg works, but needs some UI/AJAX improvements.

Get the Free Plugin Today

Download the Custom Primary Category plugin now from GitHub and take complete control of your WordPress permalinks. This free solution works immediately with no complicated setup required, giving you better SEO results than WordPress provides by default.