
For years, CPC and CTR dominated performance reporting. In 2026, those metrics are no longer enough.B2B leaders need metrics that explain efficiency, scalability, and decision quality, not just traffic cost. This shift is critical as AI-driven marketing systems optimize faster than humans and require better signals to learn correctly. 1. Why CPC is no…

Introduction Performance Marketing in 2026 is no longer about campaign tweaks. The real advantage comes from reducing uncertainty in decision-making. This is where AI — and conceptually, Shannon’s Entropy — becomes critical: less noise, more signal, better ROI. 1. The current problem in B2B Performance Marketing Many B2B companies still operate with: The result:…