Redirect Page Not Found functions to redirect missing or damaged links to a predetermined page or to another page. If you have a post page that has been indexed on a search engine page and then the post is deleted, then visitors will find a 404 page or "Page Not Found" on your blog after they open the link.
Usually, visitors will immediately leave the 404 page. So that these visitors do not leave, you can use this method to redirect the broken page to another page, for example redirecting to the "Report Broken Link" page or to the "Contact" page.
How to redirect the Page Not Found to another page
Step One
Please open the main Blogger page, then select the menu "Settings"> "Search Preferences".
Step Two
Select "Edit" under "Errors and Redirects" then copy the javascript code below.
<script type = "text/javascript">
yukita_redirect = setTimeout(function() {
window.location.href = 'https://telecomyaar.blogspot.com/p/contact-us.html';
}, 10);
</script>
Please replace it with the destination page that you want to use as a redirect.
At this stage you have finished creating a Not Found Redirect Page, to do a trial test, please visit the blog address that is not registered.
That's all about How to redirect the page not found to another page. I hope it's useful, if there are things you want to ask, please ask via the comments column below. thank you and good luck