How To Add Related Posts In WordPress Without Plugin?
When you handle a WordPress and think about adding the related posts widget below each post then you go with the plugins.
But do you know that it can be done using the code. Just a few lines of coding and you would see a nice widget with the thumbnail and the title of the post.
You have to edit the single.php file of your theme. Whether you do it in your existing theme or a new theme. The Choice is yours.