- Spend is the only advertising figure that comes from billing rather than a model: it depends on no attribution setting.
- Budget is an intention, spend is a fact. The gap between the two is an indicator in its own right.
- Spend that falls short of budget almost always signals a delivery limit, not a saving.
Definition
Spend is the amount actually billed by the platform over a given period, across all formats and all campaigns.
Worked example
An account plans €3,000 for the month and spends €2,240, or 75% of budget. That is not good news: the €760 left unspent corresponds to lost auctions or to an audience too narrow to absorb the budget. Impression share will tell you which.
Orders of magnitude
There is no benchmark: spend is read against the planned budget and against the result obtained, never in absolute terms.
The most common mistakes
- Confusing budget and spend. The daily budget is an indicative ceiling that platforms exceed occasionally, evening it out over the month.
- Comparing spend in a 28-day month to spend in a 31-day one. Three days are close to a 10% mechanical gap.
- Reading underspend as a saving. It is almost always lost volume, not money earned.
Where to find the metric
In Google Ads, the Cost column, at every level. In Meta, the Amount spent column. In LinkedIn Ads, the Total spent column. In GA4, only if cost is imported from the linked platforms.
Frequently asked questions
The Adwise team connects Google Ads, Meta Ads, LinkedIn Ads, GA4 and Search Console so agencies and freelancers can run their campaigns from a single place.