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Magento 404 redirection to a CMS Page

Magento 404 redirection to your homepage or any other CMS page

I really don’t think that Magento 404 redirection to your homepage is a good idea  but if this is the case, here I will explain you how to do just that.

Go to your Magento’s backend on System > Configuration > Web (left panel) and click on Default Pages and set the CMS No Route page to “Home Page”

Magento 404 redirection to your homepage

Redirect 404 to Magento home page

Also you can use this extension that override default 404 page with 301 permanent redirect to homepage.