RK – Smart Internal Linker
RK Smart Internal Linker analyzes your content in real time and suggests the most relevant internal posts to link to — right inside the Gutenberg sidebar. No external APIs, no monthly fees, no data leaving your server.
Consider an alternative
RK – Smart Internal Linker shows warning signs in 2026 — compare the alternatives below before installing. Was last updated 8 months ago, and scores 36/100 on our health check.
- Small user base (<10 active installs)
- Very few reviews so far
- Only tested up to WordPress 6.9 (latest is 7.1)
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 RK – Smart Internal Linker stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| gutenberg | >100 |
| internal links | >100 |
| linking | >100 |
| seo | >100 |
| tf-idf | #6 |
About RK – Smart Internal Linker
From the official readme · v1.0.0Description
RK Smart Internal Linker analyzes your content in real time and suggests the most relevant internal posts to link to — right inside the Gutenberg sidebar. No external APIs, no monthly fees, no data leaving your server.
How it works:
- On activation, the plugin creates a keyword index table and begins indexing your published posts via WP-Cron (20 posts every 5 minutes).
- When you open a post in the editor, the plugin extracts the top keywords and scores every other post by keyword overlap (TF-IDF).
- The top 5 results appear in a sidebar panel with Copy Link and Insert Link buttons.
Features:
- 100% local — no API keys, no external calls
- TF-IDF keyword scoring for smart relevance
- Background indexing via WP-Cron (server-friendly batches)
- Instant re-index on post save
- Clean Gutenberg sidebar with score badges
- One-click copy or insert links
Installation
- Upload the
rk-smart-internal-linkerfolder to/wp-content/plugins/. - Activate through Plugins → Installed Plugins.
- Open any post in the Gutenberg editor and click the link icon in the top-right toolbar to open the Smart Internal Links sidebar.
Screenshots
For developers
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Best RK – Smart Internal Linker alternatives
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FAQ
RK – Smart Internal Linker: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 15, 2026
Is RK – Smart Internal Linker free?
Yes. RK – Smart Internal Linker is free to download and use from the official WordPress.org plugin directory.
Is RK – Smart Internal Linker safe to use in 2026?
RK – Smart Internal Linker shows warning signs in 2026 — compare the alternatives below before installing. Was last updated 8 months ago, and scores 36/100 on our health check.
How many websites use RK – Smart Internal Linker?
RK – Smart Internal Linker is active on <10 WordPress websites and has been downloaded 444 times since it launched in March 2026. It was downloaded 48 times in the last 30 days.
Does RK – Smart Internal Linker work with WordPress 7.1?
RK – Smart Internal Linker is officially tested up to WordPress 6.9.10, while the latest release is 7.1.3. It may still work, but try it on a staging site first.
What PHP version does RK – Smart Internal Linker need?
RK – Smart Internal Linker requires PHP 7.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was RK – Smart Internal Linker last updated?
The latest version, 1.0.0, was released on March 2, 2026 (8 months ago).
Who makes RK – Smart Internal Linker?
RK – Smart Internal Linker is developed and maintained by Rajkumar.
What are the best alternatives to RK – Smart Internal Linker?
The most popular alternatives to RK – Smart Internal Linker are Classic Editor (8M+ installs), Classic Widgets (2M+ installs) and Advanced Editor Tools (1M+ installs).
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