Google's 2025–2026 updates to Performance Max campaigns—including channel-level reporting, better brand exclusions, and improved coexistence with standard Shopping—have not quieted the debate over whether PMax is a smart AI-native format or an opaque budget drain. Here is what the evidence says for small and midsize ecommerce operators.
Short-form video is replacing static photography on ecommerce product pages, but conversion experts warn the gains are category-dependent, the A/B testing evidence is thin, and a poorly executed implementation can hurt SEO rankings through Google Core Web Vitals regressions.
Rising ad costs on both Google and Meta are forcing ecommerce marketers to make harder allocation decisions. Benchmark data, Q2 2026 earnings disclosures, and industry reports suggest the two platforms serve different funnel stages — and that treating them as either/or choices consistently underperforms a coordinated strategy.