Google May Treat Some 404s As 301s & Canonicalize To A New URL

Google's John Mueller was asked by Mihai Aperghis in a webmaster hangout at the 58 minute mark about a page Mihai 404ed but Google is showing as a 301 to a new URL, like Google canonicalized the 404 URL to the new URL.

from Search Engine Roundtable https://ift.tt/2PZH3gR
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