Blended Efficiency Metrics | Upstack Documentation

E-commerce profitability: Focus on ROAS (target typically 3x–5x)
Customer acquisition: Track CPA and NC CPA
New customer growth: Monitor NC ROAS to ensure acquisition is profitable
Full funnel view: Use All Conversions ROAS for complete attribution

Efficiency metrics measure how effectively your advertising investment converts to revenue or customer acquisition across all connected platforms.

Data Source: Meta Ads, Google Ads, TikTok Ads (aggregated)
Metrics: 7

Metrics in This Group

Metric	Description	When to Use
Blended CPA	Cost per acquisition across all channels	Measure acquisition cost
Blended ROAS	Return on ad spend across all channels	Measure revenue return
Blended NC CPA	Cost per new customer acquisition	New customer cost
Blended NC ROAS	Return on ad spend for new customers	New customer efficiency
Blended Conversions ROAS	ROAS for all conversion events	Conversion efficiency
Blended All Conv. ROAS	ROAS including cross-device	Full attribution ROAS

Efficiency metrics are ratios that connect spend to outcomes:

ROAS and CPA are inversely related—high ROAS typically means low CPA.

⌘I