Why SEO Managers Keep Buying Links and Still See Flat Rankings
https://www.scribd.com/document/983200899/How-Small-CTR-Lifts-and-Authority-Engineering-Turn-Existing-Backlinks-into-Real-Ranking-Wins-142532
Industry data shows SEO managers and directors at mid-size companies who spent money on backlinks but see flat rankings fail 73% of the time because they keep buying more links without fixing underlying signal deficits