GLOSSARY
301 Redirect
IN ONE SENTENCE
A 301 signals that a resource has moved permanently and passes the old address's signals to the new one.
A 301 signals that a resource has moved permanently and passes the old address's signals to the new one.
01
In detail
When a URL rule changes it is the only correct fix; a canonical cannot substitute. Two rules: do not create chains (A→B→C), and do not declare redirecting addresses in the sitemap.
Updated 2026-08-06