Dynamic404 is a great plugin to redirect user to other pages in the CMS Joomla.
Using this extension you can easily create a redirect 404 page to other URL.
This is useful in cases when it is necessary to immediately redirect the person to another page, because not everyone is willing to wait to download your 404 error or search for the desired item on your site.
Dynamic404 component determines which page is most suited to a specific menu and object, and collects similar links.
Alternatively, you can customize the navigation in Joomla admin panel.
Setting in manual mode, forwarding the user.
You can show 404 or redirect to another page.
Parameters set by default.