Performance marketing in 2026 demands precision diagnostics that go beyond creative testing and audience segmentation. https://npprteam.shop/en/articles/facebook/why-facebook-ads-conversion-drops-in-2025-and-how-to-fix-it/ examines the three primary drivers of conversion decline—clean signal attrition, first-screen attribution leaks, and WebView rendering barriers—with actionable remediation protocols for each. You'll discover why standard troubleshooting approaches miss the core infrastructure issues depressing campaign performance and learn the exact measurement and technical audits that reveal hidden conversion loss. The material covers both strategic signal architecture improvements and tactical implementation steps, making it accessible for both measurement specialists and generalist performance marketers. Whether you're managing e-commerce, SaaS, or lead-generation campaigns, aligning your conversion infrastructure to Meta's 2026 signal requirements will be the difference between stagnant or accelerating ROAS.