There are plenty of popular and related posts plugins available for WordPress. Not all of them are coded for performance and speed. Most of them add their entries after or before you posts. Inline Related Posts is different. This is a plugin that inserts related posts inside your content to improve page views and reduce bounce rate.
The plugin is pretty easy to set up. Just select how many boxes you want to add to each post, and the minimum number of words between each. It lets you use categories, tags, or categories & tags to find related posts. Users have the option to add “nofollow” to your links. You can also customize the text and colors from the backend.
There are other ways to add a related content box inside your posts. Inline Related Posts simply makes it easier to test this idea. You can try the script for free.