PBNs Create Fast Ranking Spikes — Then Everything Crashes: Why Editorial Links Win Long-Term

https://seo.edu.rs/blog/why-dr-scores-alone-lie-to-you-what-publishers-policy-shifts-and-poor-on-page-optimization-reveal-about-wasted-link-juice-10908

In our audit, PBN-driven pages surged 40-80% then lost most gains within 90 days The data suggests PBNs (private blog networks) act like a sugar rush for rankings