Redirect old URLs to your blog home
Choose Home as the destination for a redirect rule without entering a workaround path or external URL.
You can now send an old blog URL directly to the home page. In Settings → URL redirection, add or edit a rule and choose Home from the destination picker, then save the rule.
Home is available only as a destination, so a rule cannot redirect the blog home itself. The saved destination stays relative to the blog and points to the correct home address for both regular and subdirectory-connected blogs.