When a certain URL or blog post is returning 404 Error in Blogger then, it means that they are entirely deleted, moved to a new URL or someone reported your content. As a result, blogger team reverted it to draft. First of all don’t panic, most of the times you can still recover your deleted posts. You can recover them through easily though this tutorial.
However, if you are still unable to recover your deleted posts then, there is only one way to remove the 404 Error and that is to redirect it your Homepage. Sometime, your posts are indexed in search engine but due to some mistake or lapses it starts giving 404 errors. Not to keep your visitors away from 404 errors, it is essential to redirect them safely to your home page.
Go to Blogger.com >> Your Site >> Search Preference >> Custom Redirects >> Edit >> New Redirect.
Congratulations: You have successfully fixed Blogger post returning 404 errors by redirecting it to the homepage. You can open the URL and instead of showing not found error it would take you to your homepage.
If you have a lot of 404 Errors on your site, then Instead of moving all not found URLs one-by-one to homepage it would be better to use our 404 to Home Plugin that automatically redirects visitors to the home when they access a not found page. We hope that this article would help you with resolving posts returning 404 errors in Blogger. Did this process work for you? Do you have a better suggestion for us? Please, feel free to leave your suggestions below.