404 Error Page are also important as any other blog page or post. If its set up on any website it helps user to redirect to new page or any other defined page. It help in retaining user and increase user experience by navigating user to required page or post.
On custom websites/blogs we can easily setup it just by creating a standalone page 404error.php or 404error.html.
In WordPress it’s quite easy as well, you can take the help of 404page plugin.
404page has more than 70,000+ installation with 285+ Five Star ratings.
It allows you to easily create your own error page without any effort and it works with almost every theme.
Create your custom error page just like any other page using the WordPress Page Editor.
Then go to ‘Appearance’ -> ‘404 Error Page’ and select the created page as your custom 404 error page. That’s it!