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Follows every redirect hop (301, 302, 307, 308) up to a maximum of 10, showing the status code and destination of each step, and flags if HTTPS is lost at any point.
Long redirect chains hurt load time and SEO. A hop that goes from HTTPS to HTTP is a security problem that exposes the connection.
Up to 10 redirects are followed; if the limit is reached without a final response, there is likely a redirect loop.
Frequently asked questions
Indirectly: if all 10 redirects are used without resolving, that is a strong signal of a loop or a badly configured chain.
Because it exposes that part of the traffic unencrypted, even if the final URL goes back to HTTPS.