Blended Cost per Initiate Checkout measures how much you spend across all ad platforms to generate one checkout initiation.
| Metric | Definition |
|---|
| Blended Spend | Total ad spend aggregated across all connected platforms |
| Blended Initiate Checkouts | Total checkout initiations attributed to ads across all platforms |
| Metadata | |
|---|
| Type | Currency |
| Data Source | Meta Ads, Google Ads, TikTok Ads |
| Aggregation | Ratio |
Example
Your campaigns spent $2,400 across all platforms and generated 800 checkout initiations.
| Metric | Value | Calculation |
|---|
| Blended Spend | $2,400 | Sum across platforms |
| Blended Initiate Checkouts | 800 | Attributed checkouts |
| Blended Cost per Initiate Checkout | $3.00 | $2,400 ÷ 800 |
How It Works
This metric divides your total ad spend across Meta, Google, and TikTok by the number of checkout initiations attributed to those ads. It provides a unified view of acquisition costs regardless of which platform drove the conversion.
When to Use
| Scenario | Action |
|---|
| Comparing overall acquisition efficiency | Benchmark against Blended CPA to assess funnel drop-off |
| Setting budget allocation targets | Use as a cost ceiling for checkout-focused campaigns |
| Evaluating funnel optimization impact | Track changes after checkout UX improvements |
| Measuring cross-platform performance | Compare to platform-specific costs to identify outliers |
| Metric | Relationship |
|---|
| Blended Spend | Numerator in calculation |
| Blended Initiate Checkouts | Denominator in calculation |
| Blended CPA | Compare checkout cost vs purchase cost |
