Difference between 404 & Soft 404 errors?

Difference between 404 & Soft 404 errors?

Soft 404 is when server redirects to a customised page to stop user from viewing the requested resource. There might be cases like a 404 has happened or it may not happened. ... A "soft 404" is when a document describing a 404 error is returned by the server with a 200 OK status code in the HTTP headers.

A "soft 404" is when a document describing a 404 error is returned by the server with a 200 OK status code in the HTTP headers.

The 404 or Not Found error message is a HTTP standard response code indicating that the client was able to communicate with a given server.