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A lot of pages urls were changed and now the old urls went into supplemental results but the new one are working
shouls I worry abotu supplemental pages because they do not contain any data or text, they are blank 404 pages.
Should I still do the redirects?
Make sure that they really do return a HTTP status code of either 301 or 404.
For 404 pages make sure that the custom error page contains enough basic site navigation to get the user on their way again.