404 page examples you need to see before writing your own.
__/#/tests/ page errors 404 - page not found on Chrome 72+ · Issue #1872 · cypress-io/cypress · GitHub
21 Stunning 404 Pages to Convert Lost Visitors [2023]
Make a better use of your 404-page
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Why should a 404-error page return the correct HTTP status code and not be redirected. - SISTRIX
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An Analysis of 24 Creative 404 Error Pages - UX Design World