Attribution modeling in 2025 is critical for accurately measuring return on ad spend (ROAS) and optimizing campaign budgets by up to 15%, demanding a strategic selection of models and robust data integration.

This guide provides US brands with a comprehensive, step-by-step strategy for leveraging TikTok Shop Ads to achieve a 20% Return on Ad Spend (ROAS) increase by mid-2025, covering setup, optimization, and measurement.