Unlinked redirect URLs
A URL that responds with a redirect but is not reached via an internal link from another crawled page may be a leftover hostname path, an old campaign URL, or a sitemap entry that should be updated. These rows help you audit redirect-only endpoints.
What we look for
We combine crawl discovery with HTTP behaviour: the URL returns 3xx while our index treats it as “unlinked” in the sense described in the product UI for this possibility type (see your row details for provenance).
What to do
Either add intentional links if the URL should be traversed, remove obsolete URLs from sitemaps, or consolidate to a final destination URL so crawlers and users skip unnecessary hops.