The average cost to acquire one completed account registration across all connected advertising platforms.
| Metric | Definition |
|---|
| Blended Spend | Total ad spend across Meta, Google, and TikTok |
| Blended Completed Registrations | Total registration completions attributed to your ads |
| Metadata | |
|---|
| Type | Currency |
| Data Source | Meta Ads, Google Ads, TikTok Ads |
| Aggregation | Ratio |
Example
Your registration campaigns spent $8,000 and captured 400 completed registrations this month:
| Platform | Spend | Registrations | Cost per Reg |
|---|
| Meta Ads | $4,000 | 200 | $20.00 |
| Google Ads | $2,500 | 125 | $20.00 |
| TikTok Ads | $1,500 | 75 | $20.00 |
| Blended | $8,000 | 400 | $20.00 |
How It Works
Blended Cost per Completed Registration aggregates total ad spend and registration completions across all connected platforms, then calculates the combined cost per registration. This gives you a single efficiency metric for your entire registration program regardless of which platforms you use.
When to Use
| Scenario | Action |
|---|
| Setting registration targets | Determine sustainable cost per registration based on customer LTV |
| Budget planning | Forecast registration volume based on available spend |
| Comparing periods | Track cost per registration trends month-over-month |
| Optimizing funnel | Reduce cost per registration by improving targeting or landing pages |
| Metric | Relationship |
|---|
| Blended Spend | Numerator in the formula |
| Blended Completed Registrations | Denominator in the formula |
| Blended CPA | Cost per acquisition (all conversions, not just registrations) |
