Tools that fix real problems — internal links and site ownership.

Two Pro plugins built to help you clean up internal links and protect your site ownership, without adding bloat or getting in your way.

AP Internal Linking Helper Pro – link suggestions inside the editor while you write.
AP Link Audit Pro – a clear, actionable list of orphan and underlinked content.
AP Site Ownership Recovery Kit – practical help when access goes wrong (coming soon).

Buy Internal Linking Helper Pro Buy Link Audit Pro

How we think about “Pro”

Free versions stay useful on their own.
Pro gives you speed and control: more ideas, better filtering, exports.
No dark patterns, no crippled basics, no surprise locks.
Everything is built to be understandable for non-technical site owners.

Current products

Focused tools for people who actually publish and maintain sites.

AP Internal Linking Helper

Free + Pro • Editor-side internal link suggestions

Shows suggested internal links in a sidebar inside the block editor.
Reduces tab switching and manual searching while you write.
Pro adds one-click insert, better matching, and smarter suggestions.

Buy Internal Linking Helper Pro Free version on WordPress.org

AP Link Audit

Free + Pro • Internal link audit

Scans posts and pages for orphan and underlinked content.
Gives you a simple priority list so you know what to fix first.
Pro unlocks larger audits, CSV export, and more flexible exclusions.

Buy Link Audit Pro Free version on WordPress.org

AP Site Ownership Recovery Kit

In development • Site access & recovery helpers

Guides and tools for regaining access when logins, hosting or domains go wrong.
Practical checklists and scripts for non-technical site owners.
Will include a free core plus a Pro pack once released.

View project on GitHub

About AP Systems Lab

AP Systems Lab is a small plugin shop focused on a narrow set of problems: internal links, content structure, and keeping control of your site.

The goal is simple: build plugins that are light, predictable, and easy to trust. Free versions are generous. Pro versions are there when you’re ready to move faster and want more control.

Our plugins

AP Systems Lab builds small, focused WordPress tools. These are the first two.

AP Internal Linking Helper

Editor sidebar that suggests internal links while you write posts and pages.

View product page

AP Link Audit

Site-wide orphan + underlinked content audit with a priority fix list.

View product page