Blended Cost Per Comment: Ad Engagement Efficiency

The cost per comment on your ads, aggregated across all advertising platforms.

Formula

Blended Cost Per Comment = Blended Spend ÷ Blended Comments

Formula Components

Metric	Definition
Blended Spend	Total ad spend across platforms
Blended Comments	Total comments across platforms

Metadata
Type	Currency
Data Source	Meta Ads, Google Ads, TikTok Ads
Aggregation	Ratio

Example

Your campaigns spent $2,540 and generated 127 comments—yielding $20.00 cost per comment. Meta drove comments at $17.65 while TikTok cost $26.67 per comment.

How It Works

Divides total ad spend by total comments across all platforms. Lower values mean more cost-efficient comment generation.

When to Use

Scenario	Action
Engagement efficiency	Compare cost to acquire comments across campaigns
Budget optimization	Identify platforms with lower engagement costs
Creative testing	Measure which ads drive cost-efficient conversations

Metric	Relationship
Blended Spend	Numerator (total spend)
Blended Comments	Denominator (total comments)
Blended Cost Per Engagement	Broader engagement efficiency

See all Blended Engagement metrics →

Blended Cost Per Like Blended Cost Per Share

⌘I

​Formula

​Formula Components

​Example

​How It Works

​When to Use

​Related Metrics

Formula

Formula Components

Example

How It Works

When to Use

Related Metrics