See Profit on Ad Spend vs revenue-only reporting
Profit Bid connects store costs to ad spend so you bid on margin — not vanity Return on Ad Spend.
Attributed vs blended contribution by source
- Paid search (attr.)34%
- Paid social (attr.)21%
- Organic / direct30%
- Email / retention15%
MER blends all of these; Profit on Ad Spend isolates the paid slices so you can bid on their real profit.
Track Profit on Ad Spend automatically from your store — upload profit conversions and scale winners with A/C/X labels.
Different scopes
MER looks at the whole business: all revenue over all marketing spend. It is immune to platform attribution squabbles but blind to margin.
Profit on Ad Spend zooms into ad-attributed orders and measures profit. It is the metric you actually bid on.
Reading the traffic mix
A pie of attributed vs blended contribution across sources reveals how much of your revenue depends on paid vs organic and branded demand.
If paid drives most attributed revenue but MER is weak, you are likely renting growth — improve Profit on Ad Spend to make that growth profitable.
Frequently asked questions
Common questions about this topic — tap to read answers.
Which should executives watch?
MER as a north-star efficiency KPI, with Profit on Ad Spend underneath to confirm the efficiency is profitable and to guide budget.
Is MER better than blended Return on Ad Spend?
They are close cousins. MER spans all marketing spend and total revenue, making it the broadest blended efficiency view.
