Blended Cost Per Unique Click measures how much you pay to acquire each distinct person who clicks your ads across all advertising platforms.
Blended Cost Per Unique Click = Blended Spend ÷ Blended Unique Clicks
| Metric | Definition |
|---|
| Blended Spend | Combined ad spend across all connected advertising platforms |
| Blended Unique Clicks | Distinct people who clicked ads at least once across all platforms |
| Metadata | |
|---|
| Type | Currency |
| Data Source | Meta Ads, Google Ads, TikTok Ads |
| Aggregation | Ratio |
Example
Your brand spent $8,400 in March and acquired 8,420 unique clickers:
| Metric | Value |
|---|
| Blended Spend | $8,400 |
| Unique Clickers | 8,420 |
| Blended Cost Per Unique Click | $1.00 |
How It Works
Blended Cost Per Unique Click divides total spend by unique clickers across all connected platforms. Unlike standard CPC, this metric counts each person only once—showing true cost to reach new engaged users.
When to Use
| Scenario | Action |
|---|
| Measuring acquisition efficiency | Compare cost per unique clicker vs standard CPC |
| Detecting click fraud | High CPC but low cost/unique click may indicate bot clicks |
| Optimizing for reach | Prioritize platforms with lower cost per unique click |
| Cross-platform budgeting | Identify which platforms deliver unique audiences cost-effectively |
| Metric | Relationship |
|---|
| Blended Spend | Numerator — total cost across platforms |
| Blended Unique Clicks | Denominator — distinct clickers |
| Blended CPC | Total click cost (includes repeat clicks) |
