ACS Internal Links
Visualize your internal link structure as an interactive map in the WordPress admin. Find orphaned posts and improve your site's SEO.
Solid choice
ACS Internal Links is a solid plugin choice in 2026, with a few things worth checking first. Was last updated 4 days ago, and scores 64/100 on our health check.
- Actively developed — last update 4 days ago
- Tested with the latest WordPress (7.1)
- Small user base (<10 active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where ACS Internal Links stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| internal links | >100 |
| link map | >100 |
| seo | >100 |
| site structure | >100 |
| visualization | >100 |
About ACS Internal Links
From the official readme · v1.0.6Description
ACS Internal Links lets you visually understand the internal link structure of your WordPress site, right from the admin dashboard.
Main Features
Visual Link Map
* Renders a network graph with D3.js, where posts are nodes and internal links are edges
* Node size is proportional to the number of inbound links; nodes are colored by category
* Supports drag-and-drop repositioning and zoom in/out
* Click a node to jump directly to the post edit screen
* Filter by category and post status
* Orphaned posts (no inbound links) are highlighted with a red dashed outline
Orphaned Post Detection
* Lists posts that are not linked from anywhere
* Lists posts that do not link to anything
* Sortable by category and publish date
Link Count Columns in the Post List
* Adds “Outbound” and “Inbound” link count columns to the post list
* Sortable via the column headers
Post Editor Sidebar
* Shows an “Internal Links” meta box in the sidebar of the post edit screen
* Lists links from this post and links to this post
Dashboard Widget
* Shows a summary including total posts, total internal links, and orphaned post count
* Shows the top 3 most linked posts
Zero Front-End Impact
All features run only in the admin area. The plugin has no impact on your site’s front-end page speed.
Interface Language
The admin interface is in English, with a bundled Japanese translation. The plugin follows the language of your WordPress installation: if your site (or your own user profile) is set to Japanese, every menu label, button, column header, and notice is shown in Japanese; otherwise the interface is in English. A translation template (languages/acs-internal-links.pot) is included, so the plugin can be translated into other languages as well.
Who Is This For?
- Bloggers who want to improve SEO through internal linking
- Media site operators managing a large number of posts
- WordPress users who want a visual overview of their site structure
Third Party Libraries
This plugin bundles the following third-party library.
- D3.js v7 — https://d3js.org/
- License: ISC License
- Purpose: rendering the visual link map
- Full license text: https://github.com/d3/d3/blob/main/LICENSE
Installation
- Download the plugin ZIP file
- Install it from WordPress admin > Plugins > Add New > Upload Plugin
- Activate the plugin
- An “Internal Links” menu appears in the admin
- Open the “Internal Link Map” page and click the “Rescan” button to run the initial scan
Frequently asked questions
What languages is the interface available in?
English and Japanese. The interface is in English by default and switches to Japanese automatically when WordPress is set to Japanese, either for the whole site (Settings > General > Site Language) or for an individual user (Users > Profile > Language). A .pot template is bundled in the languages folder for anyone who wants to add another language.
How long does a scan take?
It depends on the number of posts. A site with up to 100 posts takes a few seconds; around 1,000 posts takes about 1-2 minutes. Scans run in batches of 50 posts, so they do not block other WordPress operations.
Will it slow down my front-end pages?
No. This plugin is admin-only. It outputs no CSS or JavaScript on the front end.
Is a post rescanned automatically when I update it?
Yes. Every time a post is saved, its link data is updated automatically.
Does it support custom post types?
Yes. You can choose which post types to scan on the settings page.
What happens to the data when I delete the plugin?
If “Delete data on uninstall” is enabled on the settings page (the default), the custom tables and settings are all removed. Turn it off to keep the data.
Where can I leave a review?
Reviews live on WordPress.org: https://wordpress.org/support/plugin/acs-internal-links/reviews/ . A short review helps other people judge whether this plugin fits their site, and it tells us which parts are worth developing further.
Changelog
Removes a PHP 8.1+ deprecation notice. No functional change.
1.0.6
- Fix: No PHP 8.1+ deprecation notice on the link lists for posts the current user cannot edit.
- Tweak: Coding standards clean-up and clearer documentation of the prepared database queries (no change in behaviour).
1.0.5
- Japanese translation completed: the plugin description and the remaining strings are now translated.
1.0.4
- Added a one-time review request line at the top of the plugin’s own Settings screen. It appears seven days after the plugin starts being used, can be dismissed permanently, and is never shown on any other screen
- Added a link to the WordPress.org review page in the readme FAQ
- No functional changes
1.0.3
- English UI as source strings; Japanese translation bundled (ja); no functional change
- Added a bundled translation catalog (
languages/acs-internal-links.pot,acs-internal-links-ja.po,acs-internal-links-ja.mo) and restored theload_plugin_textdomain()call so the bundled translation is loaded - Moved the remaining hard-coded link map strings (tooltip labels, large-site warnings, load error) into the translation catalog
- Made the admin screen detection independent of the translated menu title, so the stylesheet and scripts load correctly in every language
- Counts in the dashboard widget and the orphaned post list now use proper singular/plural forms
1.0.2
- Rewrote the readme and plugin description in English
- Removed the load_plugin_textdomain() call (not needed for plugins hosted on WordPress.org since WordPress 4.6)
1.0.1
- Updated the plugin URI and author info to the ACS Developer site
- Confirmed compatibility with WordPress 7.1 (updated Tested up to)
Screenshots
For developers
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Best ACS Internal Links alternatives
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FAQ
ACS Internal Links: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 2, 2026
Is ACS Internal Links free?
Yes. ACS Internal Links is free to download and use from the official WordPress.org plugin directory.
Is ACS Internal Links safe to use in 2026?
ACS Internal Links is a solid plugin choice in 2026, with a few things worth checking first. Was last updated 4 days ago, and scores 64/100 on our health check.
How many websites use ACS Internal Links?
ACS Internal Links is active on <10 WordPress websites and has been downloaded 313 times since it launched in August 2026. It was downloaded 263 times in the last 30 days.
Does ACS Internal Links work with WordPress 7.1?
Yes. The developer has tested ACS Internal Links up to WordPress 7.1.2, the latest release. It requires WordPress 6.0 or newer.
What PHP version does ACS Internal Links need?
ACS Internal Links requires PHP 8.0 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was ACS Internal Links last updated?
The latest version, 1.0.6, was released on September 28, 2026 (4 days ago).
Who makes ACS Internal Links?
ACS Internal Links is developed and maintained by ACS.
What are the best alternatives to ACS Internal Links?
The most popular alternatives to ACS Internal Links are Internal Link Juicer: SEO A… (90K+ installs), Internal Links Manager (10K+ installs) and Better Internal Link Search (1K+ installs).
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