Mar 22
23
We know that links pointing to pages that do not exist, that 404 or some soft 404, are links that are not counted by Google – that is not new. But John Mueller of Google spoke about how sometimes you can redirect old 404 pages and that link may pass to the new page, even if that link is 404ed for years
See the original post here:
Does Redirecting Links That Lead To 404 Pages Gain Google SEO Value?