How to Integrate InternalLinking.io on Your Site with WordPress

WordPress InternalLinking.io Plugin

If you have a WordPress site , InternalLinking.io provides a plugin which you can install yourself. After installation, you simply add a new block on your page through WordPress admin. The plugin will automatically connect to InternalLinking.io service and show the related searches for the page the block is on.

This article is for the standard Gutenberg editor. If you use the Elementor editor, see ‣.

If you have issues to get plugin works (due to the compatibility of other plugins), we also have alternative way to get it work with JS on your WordPress site.

1. Install the Plugin

  • To install the plugin, please login to your WordPress site admin, e.g. for our site we see: image

  • Click the Plugins button on the leftnav, click “Add New”

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  • Click “Upload Plugin”

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  • Click "Activate" to activate the plugin
Plugin zipfile
similar-ai-links-plugin.zip

2. Add internal linking block to a page

  • Add a InternalLinking.io block when adding new post or page

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  • Fill in the form with API key, API URL and Position. You can find these out:
  • API key: go to the “Integration” view in Internal Linking. Enter a page to test and look at the X-API-KEY: xxxxx in the JSON request.
  • API URL: https://isentropic-snow-282609.ew.r.appspot.com/api/seo-related-searches/ unless your Customer Success manager has told you otherwise.
  • Test URL: use a page from your site
  • Position: use default. If you have multiple internal linking modules, choose the number of the module you want to show.

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3. Add internal linking block to multiple pages - To apply the plugin to multiple pages, you can create a reusable block (now called patterns) and retrieve the post ID.

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Then, add the following code to the template, such as the footer (e.g. footer.php, from WP admin → Appearance → Theme File Editor)


<div class="grid-container">
    <h5 class="similarai-linking-header px-2 py-4">Related Links</h5>
    <div id="similarai-block">
        <?php $reusable_block = get_post( 1102 ); echo do_blocks( $reusable_block->post_content ); ?>
    </div>
</div>
                <footer class="footer grey" role="contentinfo">
                ...

Not working?

If the InternalLinking.io WordPress plugin does not work, follow these steps to integrate InternalLinking.io API into your WordPress site using JavaScript (JS) for internal linking.