Blended Cost per Search measures how much you spend across all ad platforms to generate one on-site search event.
| Metric | Definition |
|---|
| Blended Spend | Total advertising spend across all connected ad platforms |
| Blended Searches | Total on-site search events attributed across all ad platforms |
| Metadata | |
|---|
| Type | Currency |
| Data Source | Meta Ads, Google Ads, TikTok Ads |
| Aggregation | Ratio |
Example
Your store spent $5,000 across all ad platforms last week and generated 2,500 on-site search events.
| Metric | Value |
|---|
| Blended Spend | $5,000 |
| Blended Searches | 2,500 |
| Blended Cost per Search | $2.00 |
How It Works
Blended Cost per Search divides your total advertising spend across Meta, Google, and TikTok by the total on-site search events attributed to those platforms. This gives you a unified view of how efficiently your combined ad spend drives product discovery behavior, regardless of which platform generated the search.
When to Use
| Scenario | Action |
|---|
| Budget allocation | Compare blended cost per search against platform-specific costs to identify efficiency gaps |
| Funnel optimization | Track how cost per search changes relative to cost per add-to-cart or purchase |
| Campaign scaling | Monitor if increased spend maintains efficient cost per search event |
| Landing page evaluation | High cost per search may indicate visitors are struggling to find products |
| Metric | Relationship |
|---|
| Blended Spend | Numerator — total ad spend across platforms |
| Blended Searches | Denominator — total search events across platforms |
| Blended Cost per View Content | Downstream efficiency — cost to drive product page views |
| Blended CPA | Conversion efficiency — cost per attributed conversion |
