8 (Top & Free) Related Post WordPress Plugins 2021

related post wordpress plugins

You should use a related post WordPress plugin if you want to reduce the bounce rate of your website. (We all do!)

You won’t believe how EFFECTIVE these plugins are!

Think about it.

How many times have you just left a website after reading a blog post?

If there’s nothing else interesting, you go. (Not good for a site owner!)

You can avoid this by adding a related posts grid at the end of your posts (or in the middle).

We have thoroughly tested 20+ plugins and picked out the 8 best free and premium plugins for you. From design and customization options to performance, pricing and responsiveness – nothing was left out in our test.

Give your website visitors a reason to KEEP reading – with related posts!

Best Premium & Free Related Post WordPress Plugins

1. Infinite Related Next Post Manager

infinite related next post manager
WordPress Infinite sits at the top of our list for so many reasons. This is a premium related post plugin that has everything you need and more. First of all, WordPress Infinite gives you ultimate control over related post grids.

For example, you can easily specify how you want to present your relevant content. The plugin integrates three display styles: infinite loading, slider, and sidebar. You can easily customize all the styles by adjusting the text, font size, colors, etc.

And finally, you can specify whether the content is displayed by category, tag, publish date, or author.

We used it on multiple blogs and websites and will return to it in the future.

Infinite features:

  • 140+ sales
  • 4.6/5 ratings
  • Real-time support
  • Supports 12,000+ WordPress themes
  • Price: $25 (may vary)

2. AI Related Posts

ai related posts wordpress plugin
Are you ready for an ultimately innovative related post WordPress plugin? If yes, then let us take a look at AI Related Posts. As the name suggests, this plugin uses artificial intelligence to create a specialized related post grid for each visitor of your site.

The process is pretty interesting. First, the plugin automatically identifies users’ views and stores the category (or tags) of the pages they visit. Then, when the user browses your site, the plugin suggests related posts to the stored information.


During our testing, AI Related Posts did an excellent job and proved to be a handy tool. The plugin is also compatible with all themes and browsers and works with the Gutenberg editor via shortcodes.

AI Related Posts features:



Note: Only FREE related post WordPress plugins from here on!

3. Contextual Related Posts

contextual related posts free wordpress plugin
If you liked the features that WordPress Infinite offers, but you need a completely free plugin, Contextual Related Posts is the best way to go. It is an excellent choice for beginners and professionals.

Contextual Related Posts is a great plugin for anyone who wants to easily create a list of related posts based on the content and title of a post.

The plugin will automatically create a list of related posts on any page or post you want on your website. If you need a free plugin that uses CRP shortcodes to display related posts, this is the plugin for you.

Contextual Related Posts features:

  • 80,000+ active installations
  • 4.8/5 ratings
  • Thumbnail support
  • Translation-ready
  • Fully-customizable & extendable shortcodes

4. YARPP – Yet Another Related Posts Plugin

yet another related posts plugin
Have you tried more than one related post plugin but are still not satisfied? Then YARPP is the plugin for you. Contrary to its funny name, this plugin is much more than just another related posts plugin.

We found YARPP to be a very advanced plugin when reviewing it. We liked the way the algorithm works, and the creation of related posts is flawless.

Moreover, this plugin is entirely flexible. You can integrate its shortcodes into your RSS and feeds and easily work with the Gutenberg block editor.

All in all, YARPP is a top-notch free plugin that we highly recommend.

YARPP features:

  • 100,000+ active installations
  • 4.7/5 ratings
  • Great for WooCommerce
  • Supports WordPress Multisite
  • Extended documentation

5. Shareaholic

shareaholic related post wordpress plugin
With our next suggestion, you can cover more than “just” related posts. You can use it to easily improve your interaction with your users and grow your audience on social media.

The plugin lets you create social media sharing buttons, such as a “Pin It” button for Pinterest and sharing buttons for Facebook, Twitter, and more. When it comes to creating related posts, Shareaholic integrates an advanced algorithm that automatically uses the keywords of your posts.

When you add the various themes that the plugin includes and the content analysis tab, Shareaholic becomes a must-have free plugin.

Shareaholic features:

  • 50,000+ active installations
  • 4.3/5 ratings
  • Fully-customizable
  • Integrates Google Analytics
  • Available in 20+ languages

6. Related Posts Thumbnails Plugin

related posts thumbnails free wp plugin
Related Posts Thumbnails is another high-rated plugin that easily made it on our top selection. This free related post plugin is perfect for both beginners and professionals.

The plugin allows you to create related posts thumbnails and add them to your website’s posts, pages, or sidebars. We really enjoy that you can use this plugin via a custom Gutenberg block, a widget, or an easily-generated shortcode.

Finally, the plugin also allows you to use video thumbnails. We consider this a superb choice for those who need ultimate control over their related posts thumbnails.

Related Posts Thumbnails features:

  • 40,000+ active installations
  • 4.8/5 ratings
  • Great support
  • Fully-editable thumbnails
  • Con: Infrequent updates (still works smoothly, though!)

7. Custom Related Posts

custom related posts wordpress plugin
If you don’t want a plugin that automatically creates related post grids on your behalf, Custom Related Posts is simply the best way to go. Unlike most other related post WordPress plugins, this one allows you to manually add related posts to your website.

With this free plugin, you won’t encounter any problems adding related posts to any of your posts, pages, and custom post types.

You can use the plugin as a shortcode, widget or block. Likewise, Custom Related Posts is fully compatible with the Classic and Gutenberg editors.

We suggest this plugin for startups and small websites that want complete control over their related posts.

Custom Related Posts features:

  • 3,000+ active installations
  • 4.9/5 ratings
  • Ideal for beginners
  • Editable featured image sizing
  • Mobile-friendly

8. Inline Related Posts

inline related posts wordpress plugin
Last but not least, we have Inline Related Posts, a well-known free plugin used by huge companies like BBC and Entrepreneur. The reason these companies trust this related post WordPress plugin is simple: The plugin is a lifesaver.

We enjoy it just as much as the BIG GUYS do.

You can automatically add display fields to your posts and pages with this plugin. This makes it a brilliant tool for anyone looking to increase user engagement.

Also, Inline Related Posts includes more than 20 internal link styles to suit your needs and preferences.

If you want to quickly create related posts in the middle of your posts or pages, this is by far the best solution.

Inline Related Posts features:

  • 70,000+ active installations
  • 4.3/5 ratings
  • Offers automatic placement of boxes in your posts
  • Fully-editable styling elements (themes, colors, hover)
  • Comprehensive video-guides

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