How Ahrefs’ Backlink Revival Took a Page from UR 18 to UR 31 — and Why That Matters
https://fantom.link/general/links-agency-why-amplification-beats-acquisition-for-backlink-roi/
Ahrefs Study: Revived Backlinks Lifted UR 18 to 31 and Increased Referral Signals Fast The data suggests a simple truth: forgotten links still matter