Cost per Signup Started: Track Registration Intent Cost

Cost per Signup Started measures the average advertising spend required to generate one signup initiation event.

Formula

Cost per Signup Started = Channel Spend ÷ Signup Started Events

Formula Components

Metric	Definition
Channel Spend	Total advertising spend across channels
Signup Started	Total signup initiation events

Metadata
Type	Currency
Data Source	Upstack Pixel
Aggregation	Ratio

Example

Your B2B SaaS spent $8,000 on ads and generated 400 signup started events this month.

Channel	Spend	Signups Started	Cost per Signup Started
Google Ads	$4,000	180	$22.22
LinkedIn	$3,000	150	$20.00
Facebook	$1,000	70	$14.29
Total	$8,000	400	$20.00

How It Works

This metric divides your total channel spend by the number of signup started events. It measures the cost of generating registration intent, helping you understand top-of-funnel acquisition efficiency before accounting for signup completion rates.

When to Use

Scenario	Action
Top-funnel efficiency	Measure cost to generate signup intent
Channel comparison	Identify best channels for signup intent
Budget allocation	Optimize spend across channels
Funnel economics	Calculate full funnel acquisition cost

Metric	Relationship
Signup Started	Count of signup initiations
Cost per Signup Completed	Cost for completed signups
Signup Started Value	Value of signup initiations

See all Conversions metrics →