4.5 Off-site authority (rented/optional data)MediumInferred
Lost high-value backlinks
What it is
Valuable links now 404 on your side.
Why it matters
Wasted earned authority.
How to fix it
Restore/redirect the linked URLs.
Impact
Low-medium. Inferred.
Evidence
Preserve earned links via correct URLs/redirects. Google Search Central, Redirects and Google Search