When redirect chains grow after repeated migrations, another broad rewrite or another batch of output may leave the underlying problem intact. Diagnose the relevant failure before changing the whole process.
Find the likely cause
New rules stack on top of old destinations.
Treat this as an explanation to verify against the actual work. Look at the input, the relevant decision, and the final result together. If the evidence does not support this diagnosis, investigate the mismatch before applying a convenient but unrelated fix.
Make the targeted correction
Update mappings toward the intended final URL where feasible.
A redirect plan should preserve the visitor's intended task when a URL moves or a useful equivalent replaces it.
Check that the repair worked
Test the full response path for important old URLs.
Repeat the check on the final version that the reader or customer will encounter. An approved draft, a preview, and a published result can differ; the acceptance decision should concern the version people actually use.
Prevent the next related failure
A separate issue to watch for is this: a redirect loop prevents access to a page. Inspect host, protocol, slash, and application rules together.
Monitor the useful outcome
Track broken destinations, redirect chains, and successful access to important migrated content.
Keep a short record of the original symptom, the evidence behind the diagnosis, and the result of the acceptance check. That record makes the solution reusable when the same condition appears again, without assuming that every superficially similar problem has the same cause.
Official reference for the platform or standard discussed: Google Search Central: site moves.